Added opt_abort_conf: abort on invalid config options.
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@ -874,7 +874,25 @@ mallctl("arena." STRINGIFY(MALLCTL_ARENAS_ALL) ".decay",
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<literal>r-</literal>
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</term>
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<listitem><para>Abort-on-warning enabled/disabled. If true, most
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warnings are fatal. The process will call
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warnings are fatal. Note that runtime option warnings are not included
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(see <link
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linkend="opt.abort_conf"><mallctl>opt.abort_conf</mallctl></link> for
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that). The process will call
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<citerefentry><refentrytitle>abort</refentrytitle>
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<manvolnum>3</manvolnum></citerefentry> in these cases. This option is
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disabled by default unless <option>--enable-debug</option> is
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specified during configuration, in which case it is enabled by default.
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</para></listitem>
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</varlistentry>
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<varlistentry id="opt.abort_conf">
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<term>
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<mallctl>opt.abort_conf</mallctl>
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(<type>bool</type>)
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<literal>r-</literal>
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</term>
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<listitem><para>Abort-on-invalid-configuration enabled/disabled. If
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true, invalid runtime options are fatal. The process will call
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<citerefentry><refentrytitle>abort</refentrytitle>
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<manvolnum>3</manvolnum></citerefentry> in these cases. This option is
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disabled by default unless <option>--enable-debug</option> is
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@ -6,23 +6,24 @@
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#include "jemalloc/internal/tsd_types.h"
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/* TSD checks this to set thread local slow state accordingly. */
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extern bool malloc_slow;
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extern bool malloc_slow;
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/* Run-time options. */
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extern bool opt_abort;
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extern const char *opt_junk;
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extern bool opt_junk_alloc;
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extern bool opt_junk_free;
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extern bool opt_utrace;
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extern bool opt_xmalloc;
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extern bool opt_zero;
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extern unsigned opt_narenas;
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extern bool opt_abort;
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extern bool opt_abort_conf;
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extern const char *opt_junk;
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extern bool opt_junk_alloc;
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extern bool opt_junk_free;
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extern bool opt_utrace;
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extern bool opt_xmalloc;
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extern bool opt_zero;
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extern unsigned opt_narenas;
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/* Number of CPUs. */
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extern unsigned ncpus;
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extern unsigned ncpus;
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/* Number of arenas used for automatic multiplexing of threads and arenas. */
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extern unsigned narenas_auto;
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extern unsigned narenas_auto;
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/*
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* Arenas that are used to service external requests. Not all elements of the
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@ -34,18 +35,18 @@ extern atomic_p_t arenas[];
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* pind2sz_tab encodes the same information as could be computed by
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* pind2sz_compute().
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*/
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extern size_t const pind2sz_tab[NPSIZES+1];
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extern size_t const pind2sz_tab[NPSIZES+1];
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/*
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* index2size_tab encodes the same information as could be computed (at
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* unacceptable cost in some code paths) by index2size_compute().
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*/
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extern size_t const index2size_tab[NSIZES];
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extern size_t const index2size_tab[NSIZES];
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/*
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* size2index_tab is a compact lookup table that rounds request sizes up to
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* size classes. In order to reduce cache footprint, the table is compressed,
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* and all accesses are via size2index().
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*/
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extern uint8_t const size2index_tab[];
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extern uint8_t const size2index_tab[];
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void *a0malloc(size_t size);
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void a0dalloc(void *ptr);
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@ -76,6 +76,7 @@ CTL_PROTO(config_stats)
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CTL_PROTO(config_utrace)
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CTL_PROTO(config_xmalloc)
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CTL_PROTO(opt_abort)
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CTL_PROTO(opt_abort_conf)
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CTL_PROTO(opt_retain)
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CTL_PROTO(opt_dss)
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CTL_PROTO(opt_narenas)
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@ -267,6 +268,7 @@ static const ctl_named_node_t config_node[] = {
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static const ctl_named_node_t opt_node[] = {
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{NAME("abort"), CTL(opt_abort)},
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{NAME("abort_conf"), CTL(opt_abort_conf)},
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{NAME("retain"), CTL(opt_retain)},
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{NAME("dss"), CTL(opt_dss)},
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{NAME("narenas"), CTL(opt_narenas)},
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@ -1546,6 +1548,7 @@ CTL_RO_CONFIG_GEN(config_xmalloc, bool)
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/******************************************************************************/
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CTL_RO_NL_GEN(opt_abort, opt_abort, bool)
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CTL_RO_NL_GEN(opt_abort_conf, opt_abort_conf, bool)
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CTL_RO_NL_GEN(opt_retain, opt_retain, bool)
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CTL_RO_NL_GEN(opt_dss, opt_dss, const char *)
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CTL_RO_NL_GEN(opt_narenas, opt_narenas, unsigned)
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@ -23,6 +23,13 @@ const char *je_malloc_conf
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#endif
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;
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bool opt_abort =
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#ifdef JEMALLOC_DEBUG
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true
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#else
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false
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#endif
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;
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bool opt_abort_conf =
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#ifdef JEMALLOC_DEBUG
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true
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#else
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@ -274,6 +281,9 @@ typedef struct {
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# define UTRACE(a, b, c)
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#endif
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/* Whether encountered any invalid config options. */
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static bool had_conf_error = false;
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/******************************************************************************/
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/*
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* Function prototypes for static functions that are referenced prior to
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@ -847,6 +857,10 @@ malloc_conf_error(const char *msg, const char *k, size_t klen, const char *v,
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size_t vlen) {
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malloc_printf("<jemalloc>: %s: %.*s:%.*s\n", msg, (int)klen, k,
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(int)vlen, v);
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had_conf_error = true;
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if (opt_abort_conf) {
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abort();
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}
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}
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static void
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@ -1045,6 +1059,10 @@ malloc_conf_init(void) {
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}
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CONF_HANDLE_BOOL(opt_abort, "abort")
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CONF_HANDLE_BOOL(opt_abort_conf, "abort_conf")
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if (opt_abort_conf && had_conf_error) {
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abort();
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}
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CONF_HANDLE_BOOL(opt_retain, "retain")
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if (strncmp("dss", k, klen) == 0) {
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int i;
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@ -813,6 +813,7 @@ stats_general_print(void (*write_cb)(void *, const char *), void *cbopaque,
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"Run-time option settings:\n");
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}
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OPT_WRITE_BOOL(abort, ",")
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OPT_WRITE_BOOL(abort_conf, ",")
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OPT_WRITE_BOOL(retain, ",")
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OPT_WRITE_CHAR_P(dss, ",")
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OPT_WRITE_UNSIGNED(narenas, ",")
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