project-base/server-skynet-source-3rd-jemalloc
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Add --disable-syscall.

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This resolves #517.
This commit is contained in:
Jason Evans
2016-12-03 16:47:36 -08:00
parent 7179351a45
commit acb7b1f53e
5 changed files with 33 additions and 15 deletions
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6
src/pages.c
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@@ -219,7 +219,7 @@ os_overcommits_proc(void)
char buf[1];
ssize_t nread;
#if defined(JEMALLOC_HAVE_SYSCALL) && defined(SYS_open)
#if defined(JEMALLOC_USE_SYSCALL) && defined(SYS_open)
fd = (int)syscall(SYS_open, "/proc/sys/vm/overcommit_memory", O_RDONLY);
#else
fd = open("/proc/sys/vm/overcommit_memory", O_RDONLY);
@@ -227,13 +227,13 @@ os_overcommits_proc(void)
if (fd == -1)
return (false); /* Error. */
#if defined(JEMALLOC_HAVE_SYSCALL) && defined(SYS_read)
#if defined(JEMALLOC_USE_SYSCALL) && defined(SYS_read)
nread = (ssize_t)syscall(SYS_read, fd, &buf, sizeof(buf));
#else
nread = read(fd, &buf, sizeof(buf));
#endif
#if defined(JEMALLOC_HAVE_SYSCALL) && defined(SYS_close)
#if defined(JEMALLOC_USE_SYSCALL) && defined(SYS_close)
syscall(SYS_close, fd);
#else
close(fd);

2
src/util.c
View File

@@ -49,7 +49,7 @@ static void
wrtmessage(void *cbopaque, const char *s)
{
#if defined(JEMALLOC_HAVE_SYSCALL) && defined(SYS_write)
#if defined(JEMALLOC_USE_SYSCALL) && defined(SYS_write)
/*
* Use syscall(2) rather than write(2) when possible in order to avoid
* the possibility of memory allocation within libc. This is necessary