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server-skynet-source-3rd-je.../test/unit/prof_thread_name.c

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Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
#include "test/jemalloc_test.h"
static void
mallctl_thread_name_get_impl(const char *thread_name_expected, const char *func,
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
int line) {
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
const char *thread_name_old;
size_t sz;
sz = sizeof(thread_name_old);
Change assert_* to expect_* in tests ``` grep -Irl assert_ test/ | xargs sed -i \ 's/witness_assert/witness_do_not_replace/g'; grep -Irl assert_ test/ | xargs sed -i \ 's/malloc_mutex_assert_owner/malloc_mutex_do_not_replace_owner/g'; grep -Ir assert_ test/ | grep -o "[_a-zA-Z]*assert_[_a-zA-Z]*" | \ grep -v "^assert_"; # confirm no output grep -Irl assert_ test/ | xargs sed -i 's/assert_/expect_/g'; grep -Irl witness_do_not_replace test/ | xargs sed -i \ 's/witness_do_not_replace/witness_assert/g'; grep -Irl malloc_mutex_do_not_replace_owner test/ | xargs sed -i \ 's/malloc_mutex_do_not_replace_owner/malloc_mutex_assert_owner/g'; ```
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expect_d_eq(mallctl("thread.prof.name", (void *)&thread_name_old, &sz,
Uniformly cast mallctl[bymib]() oldp/newp arguments to (void *). This avoids warnings in some cases, and is otherwise generally good hygiene.
2016-10-28 12:31:25 +08:00
NULL, 0), 0,
"%s():%d: Unexpected mallctl failure reading thread.prof.name",
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
func, line);
Change assert_* to expect_* in tests ``` grep -Irl assert_ test/ | xargs sed -i \ 's/witness_assert/witness_do_not_replace/g'; grep -Irl assert_ test/ | xargs sed -i \ 's/malloc_mutex_assert_owner/malloc_mutex_do_not_replace_owner/g'; grep -Ir assert_ test/ | grep -o "[_a-zA-Z]*assert_[_a-zA-Z]*" | \ grep -v "^assert_"; # confirm no output grep -Irl assert_ test/ | xargs sed -i 's/assert_/expect_/g'; grep -Irl witness_do_not_replace test/ | xargs sed -i \ 's/witness_do_not_replace/witness_assert/g'; grep -Irl malloc_mutex_do_not_replace_owner test/ | xargs sed -i \ 's/malloc_mutex_do_not_replace_owner/malloc_mutex_assert_owner/g'; ```
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expect_str_eq(thread_name_old, thread_name_expected,
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
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"%s():%d: Unexpected thread.prof.name value", func, line);
}
static void
mallctl_thread_name_set_impl(const char *thread_name, const char *func,
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
int line) {
Change assert_* to expect_* in tests ``` grep -Irl assert_ test/ | xargs sed -i \ 's/witness_assert/witness_do_not_replace/g'; grep -Irl assert_ test/ | xargs sed -i \ 's/malloc_mutex_assert_owner/malloc_mutex_do_not_replace_owner/g'; grep -Ir assert_ test/ | grep -o "[_a-zA-Z]*assert_[_a-zA-Z]*" | \ grep -v "^assert_"; # confirm no output grep -Irl assert_ test/ | xargs sed -i 's/assert_/expect_/g'; grep -Irl witness_do_not_replace test/ | xargs sed -i \ 's/witness_do_not_replace/witness_assert/g'; grep -Irl malloc_mutex_do_not_replace_owner test/ | xargs sed -i \ 's/malloc_mutex_do_not_replace_owner/malloc_mutex_assert_owner/g'; ```
2020-02-19 06:39:06 +08:00
expect_d_eq(mallctl("thread.prof.name", NULL, NULL,
Uniformly cast mallctl[bymib]() oldp/newp arguments to (void *). This avoids warnings in some cases, and is otherwise generally good hygiene.
2016-10-28 12:31:25 +08:00
(void *)&thread_name, sizeof(thread_name)), 0,
Fix thread.name/prof_sys_thread_name interaction When prof_sys_thread_name is true, we don't allow setting the thread name. Teach the unit test this.
2021-03-31 06:20:30 +08:00
"%s():%d: Unexpected mallctl failure writing thread.prof.name",
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
func, line);
mallctl_thread_name_get_impl(thread_name, func, line);
}
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
#define mallctl_thread_name_get(a) \
mallctl_thread_name_get_impl(a, __func__, __LINE__)
Replace tabs following #define with spaces. This resolves #564.
2017-01-20 13:41:41 +08:00
#define mallctl_thread_name_set(a) \
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
mallctl_thread_name_set_impl(a, __func__, __LINE__)
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
TEST_BEGIN(test_prof_thread_name_validation) {
Skip test_prof_thread_name_validation if !config_prof.
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test_skip_if(!config_prof);
Fix thread.name/prof_sys_thread_name interaction When prof_sys_thread_name is true, we don't allow setting the thread name. Teach the unit test this.
2021-03-31 06:20:30 +08:00
test_skip_if(opt_prof_sys_thread_name);
Skip test_prof_thread_name_validation if !config_prof.
2014-10-04 14:41:53 +08:00
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
mallctl_thread_name_get("");
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
const char *test_name1 = "test case1";
mallctl_thread_name_set(test_name1);
/* Test name longer than the max len. */
char long_name[] =
"test case longer than expected; test case longer than expected";
expect_zu_gt(strlen(long_name), PROF_THREAD_NAME_MAX_LEN,
"Long test name not long enough");
const char *test_name_long = long_name;
expect_d_eq(mallctl("thread.prof.name", NULL, NULL,
(void *)&test_name_long, sizeof(test_name_long)), 0,
"Unexpected mallctl failure from thread.prof.name");
/* Long name cut to match. */
long_name[PROF_THREAD_NAME_MAX_LEN - 1] = '\0';
mallctl_thread_name_get(test_name_long);
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
/* NULL input shouldn't be allowed. */
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
const char *test_name2 = NULL;
Change assert_* to expect_* in tests ``` grep -Irl assert_ test/ | xargs sed -i \ 's/witness_assert/witness_do_not_replace/g'; grep -Irl assert_ test/ | xargs sed -i \ 's/malloc_mutex_assert_owner/malloc_mutex_do_not_replace_owner/g'; grep -Ir assert_ test/ | grep -o "[_a-zA-Z]*assert_[_a-zA-Z]*" | \ grep -v "^assert_"; # confirm no output grep -Irl assert_ test/ | xargs sed -i 's/assert_/expect_/g'; grep -Irl witness_do_not_replace test/ | xargs sed -i \ 's/witness_do_not_replace/witness_assert/g'; grep -Irl malloc_mutex_do_not_replace_owner test/ | xargs sed -i \ 's/malloc_mutex_do_not_replace_owner/malloc_mutex_assert_owner/g'; ```
2020-02-19 06:39:06 +08:00
expect_d_eq(mallctl("thread.prof.name", NULL, NULL,
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
(void *)&test_name2, sizeof(test_name2)), EINVAL,
"Unexpected mallctl result writing to thread.prof.name");
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
/* '\n' shouldn't be allowed. */
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
const char *test_name3 = "test\ncase";
Change assert_* to expect_* in tests ``` grep -Irl assert_ test/ | xargs sed -i \ 's/witness_assert/witness_do_not_replace/g'; grep -Irl assert_ test/ | xargs sed -i \ 's/malloc_mutex_assert_owner/malloc_mutex_do_not_replace_owner/g'; grep -Ir assert_ test/ | grep -o "[_a-zA-Z]*assert_[_a-zA-Z]*" | \ grep -v "^assert_"; # confirm no output grep -Irl assert_ test/ | xargs sed -i 's/assert_/expect_/g'; grep -Irl witness_do_not_replace test/ | xargs sed -i \ 's/witness_do_not_replace/witness_assert/g'; grep -Irl malloc_mutex_do_not_replace_owner test/ | xargs sed -i \ 's/malloc_mutex_do_not_replace_owner/malloc_mutex_assert_owner/g'; ```
2020-02-19 06:39:06 +08:00
expect_d_eq(mallctl("thread.prof.name", NULL, NULL,
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
(void *)&test_name3, sizeof(test_name3)), EINVAL,
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
"Unexpected mallctl result writing \"%s\" to thread.prof.name",
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
test_name3);
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
/* Simultaneous read/write shouldn't be allowed. */
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
const char *thread_name_old;
size_t sz = sizeof(thread_name_old);
expect_d_eq(mallctl("thread.prof.name", (void *)&thread_name_old, &sz,
(void *)&test_name1, sizeof(test_name1)), EPERM,
"Unexpected mallctl result from thread.prof.name");
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
mallctl_thread_name_set("");
}
TEST_END
static void *
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
thd_start(void *varg) {
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
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unsigned thd_ind = *(unsigned *)varg;
char thread_name[16] = "";
unsigned i;
malloc_snprintf(thread_name, sizeof(thread_name), "thread %u", thd_ind);
mallctl_thread_name_get("");
mallctl_thread_name_set(thread_name);
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
#define NRESET 25
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
for (i = 0; i < NRESET; i++) {
Change assert_* to expect_* in tests ``` grep -Irl assert_ test/ | xargs sed -i \ 's/witness_assert/witness_do_not_replace/g'; grep -Irl assert_ test/ | xargs sed -i \ 's/malloc_mutex_assert_owner/malloc_mutex_do_not_replace_owner/g'; grep -Ir assert_ test/ | grep -o "[_a-zA-Z]*assert_[_a-zA-Z]*" | \ grep -v "^assert_"; # confirm no output grep -Irl assert_ test/ | xargs sed -i 's/assert_/expect_/g'; grep -Irl witness_do_not_replace test/ | xargs sed -i \ 's/witness_do_not_replace/witness_assert/g'; grep -Irl malloc_mutex_do_not_replace_owner test/ | xargs sed -i \ 's/malloc_mutex_do_not_replace_owner/malloc_mutex_assert_owner/g'; ```
2020-02-19 06:39:06 +08:00
expect_d_eq(mallctl("prof.reset", NULL, NULL, NULL, 0), 0,
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
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"Unexpected error while resetting heap profile data");
mallctl_thread_name_get(thread_name);
}
mallctl_thread_name_set(thread_name);
mallctl_thread_name_set("");
Remove extraneous parens around return arguments. This resolves #540.
2017-01-20 10:15:45 +08:00
return NULL;
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
#undef NRESET
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
}
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
TEST_BEGIN(test_prof_thread_name_threaded) {
Fix thread.name/prof_sys_thread_name interaction When prof_sys_thread_name is true, we don't allow setting the thread name. Teach the unit test this.
2021-03-31 06:20:30 +08:00
test_skip_if(!config_prof);
test_skip_if(opt_prof_sys_thread_name);
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
#define NTHREADS 4
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
thd_t thds[NTHREADS];
unsigned thd_args[NTHREADS];
unsigned i;
for (i = 0; i < NTHREADS; i++) {
thd_args[i] = i;
thd_create(&thds[i], thd_start, (void *)&thd_args[i]);
}
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
for (i = 0; i < NTHREADS; i++) {
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
thd_join(thds[i], NULL);
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
}
Inline the storage for thread name in prof_tdata_t. The previous approach managed the thread name in a separate buffer, which causes races because the thread name update (triggered by new samples) can happen at the same time as prof dumping (which reads the thread names) -- these two operations are under separate locks to avoid blocking each other. Implemented the thread name storage as part of the tdata struct, which resolves the lifetime issue and also avoids internal alloc / dalloc during prof_sample.
2023-03-29 09:02:34 +08:00
#undef NTHREADS
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
}
TEST_END
int
Update brace style. Add braces around single-line blocks, and remove line breaks before function-opening braces. This resolves #537.
2017-01-16 08:56:30 +08:00
main(void) {
Remove extraneous parens around return arguments. This resolves #540.
2017-01-20 10:15:45 +08:00
return test(
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
test_prof_thread_name_validation,
Remove extraneous parens around return arguments. This resolves #540.
2017-01-20 10:15:45 +08:00
test_prof_thread_name_threaded);
Implement/test/fix prof-related mallctl's. Implement/test/fix the opt.prof_thread_active_init, prof.thread_active_init, and thread.prof.active mallctl's. Test/fix the thread.prof.name mallctl. Refactor opt_prof_active to be read-only and move mutable state into the prof_active variable. Stop leaning on ctl-related locking for protection.
2014-10-04 14:25:30 +08:00
}
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