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Updated crash handler on linux, so that if a core file would've been generated on crash, it will reset/restart the signal handler, so that a core file will be generated after logging the crash.

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This commit is contained in:
Bryan Roe
2019-08-27 15:00:18 -07:00
parent 72e665908a
commit d7f0424d2c
1 changed files with 21 additions and 1 deletions
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22
microstack/ILibParsers.c
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@@ -40,6 +40,10 @@ limitations under the License.
#endif #endif
#endif #endif
#ifndef WIN32
#include <sys/resource.h>
#endif
#ifdef _MINCORE #ifdef _MINCORE
#define strncmp(a,b,c) strcmp(a,b) #define strncmp(a,b,c) strcmp(a,b)
#endif #endif
@@ -2228,6 +2232,7 @@ void ILib_WindowsExceptionDebugEx(ILib_DumpEnabledContext *dumpEnabledExceptionC
char ILib_POSIX_CrashParamBuffer[5 * sizeof(void*)]; char ILib_POSIX_CrashParamBuffer[5 * sizeof(void*)];
void ILib_POSIX_CrashHandler(int code) void ILib_POSIX_CrashHandler(int code)
{ {
struct rlimit r;
char msgBuffer[16384]; char msgBuffer[16384];
int msgLen = 0; int msgLen = 0;
void *buffer[100]; void *buffer[100];
@@ -2320,7 +2325,22 @@ void ILib_POSIX_CrashHandler(int code)
} }
} }
msgBuffer[msgLen] = 0; msgBuffer[msgLen] = 0;
ILIBCRITICALEXITMSG(254, msgBuffer);
if (getrlimit(RLIMIT_CORE, &r) == 0 && r.rlim_cur != 0)
{
ILIBLOGMESSSAGE(msgBuffer);
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_sigaction = SIG_DFL;
act.sa_flags = SA_RESTART;
sigemptyset(&act.sa_mask);
sigaction(SIGSEGV, &act, NULL);
}
else
{
ILIBCRITICALEXITMSG(254, msgBuffer);
}
} }
char* ILib_POSIX_InstallCrashHandler(char *exename) char* ILib_POSIX_InstallCrashHandler(char *exename)
{ {