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limit number of error messages to 10

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daan 2019-07-19 09:27:14 -07:00
parent dd5fa88c45
commit fcd0253ac9
1 changed files with 8 additions and 3 deletions
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11
src/options.c
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@ -6,6 +6,7 @@ terms of the MIT license. A copy of the license can be found in the file
-----------------------------------------------------------------------------*/ -----------------------------------------------------------------------------*/
#include "mimalloc.h" #include "mimalloc.h"
#include "mimalloc-internal.h" #include "mimalloc-internal.h"
#include "mimalloc-atomic.h"
#include <stdio.h> #include <stdio.h>
#include <string.h> // strcmp #include <string.h> // strcmp
@ -50,7 +51,7 @@ static mi_option_desc_t options[_mi_option_last] =
// the following options are experimental and not all combinations make sense. // the following options are experimental and not all combinations make sense.
{ 1, UNINIT, "eager_commit" }, // note: if eager_region_commit is on, this should be on too. { 1, UNINIT, "eager_commit" }, // note: if eager_region_commit is on, this should be on too.
#ifdef _WIN32 #ifdef _WIN32 // and BSD?
{ 0, UNINIT, "eager_region_commit" }, // don't commit too eagerly on windows (just for looks...) { 0, UNINIT, "eager_region_commit" }, // don't commit too eagerly on windows (just for looks...)
#else #else
{ 1, UNINIT, "eager_region_commit" }, { 1, UNINIT, "eager_region_commit" },
@ -58,8 +59,8 @@ static mi_option_desc_t options[_mi_option_last] =
{ 0, UNINIT, "large_os_pages" }, // use large OS pages, use only with eager commit to prevent fragmentation of VMA's { 0, UNINIT, "large_os_pages" }, // use large OS pages, use only with eager commit to prevent fragmentation of VMA's
{ 0, UNINIT, "page_reset" }, { 0, UNINIT, "page_reset" },
{ 0, UNINIT, "cache_reset" }, { 0, UNINIT, "cache_reset" },
{ 0, UNINIT, "reset_decommits" }, { 0, UNINIT, "reset_decommits" }, // note: cannot enable this if secure is on
{ 0, UNINIT, "reset_discards" } { 0, UNINIT, "reset_discards" } // note: cannot enable this if secure is on
}; };
static void mi_option_init(mi_option_desc_t* desc); static void mi_option_init(mi_option_desc_t* desc);
@ -106,6 +107,8 @@ void mi_option_enable_default(mi_option_t option, bool enable) {
// -------------------------------------------------------- // --------------------------------------------------------
// Messages // Messages
// -------------------------------------------------------- // --------------------------------------------------------
#define MAX_ERROR_COUNT (10)
static uintptr_t error_count = 0; // when MAX_ERROR_COUNT stop emitting errors and warnings
// Define our own limited `fprintf` that avoids memory allocation. // Define our own limited `fprintf` that avoids memory allocation.
// We do this using `snprintf` with a limited buffer. // We do this using `snprintf` with a limited buffer.
@ -153,6 +156,7 @@ void _mi_verbose_message(const char* fmt, ...) {
void _mi_error_message(const char* fmt, ...) { void _mi_error_message(const char* fmt, ...) {
if (!mi_option_is_enabled(mi_option_show_errors) && !mi_option_is_enabled(mi_option_verbose)) return; if (!mi_option_is_enabled(mi_option_show_errors) && !mi_option_is_enabled(mi_option_verbose)) return;
if (mi_atomic_increment(&error_count) > MAX_ERROR_COUNT) return;
va_list args; va_list args;
va_start(args,fmt); va_start(args,fmt);
mi_vfprintf(stderr, "mimalloc: error: ", fmt, args); mi_vfprintf(stderr, "mimalloc: error: ", fmt, args);
@ -162,6 +166,7 @@ void _mi_error_message(const char* fmt, ...) {
void _mi_warning_message(const char* fmt, ...) { void _mi_warning_message(const char* fmt, ...) {
if (!mi_option_is_enabled(mi_option_show_errors) && !mi_option_is_enabled(mi_option_verbose)) return; if (!mi_option_is_enabled(mi_option_show_errors) && !mi_option_is_enabled(mi_option_verbose)) return;
if (mi_atomic_increment(&error_count) > MAX_ERROR_COUNT) return;
va_list args; va_list args;
va_start(args,fmt); va_start(args,fmt);
mi_vfprintf(stderr, "mimalloc: warning: ", fmt, args); mi_vfprintf(stderr, "mimalloc: warning: ", fmt, args);