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Bug #43410 --skip-core-file has no effect if core file size is set

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Would not prevent mysqld from core dumping
Passes --nocore arg to safe_process, which then sets rlimit core to 0 for child
This commit is contained in:
Bjorn Munch
2009-03-09 14:31:39 +01:00
parent 3cf777e1a2
commit 4cab491915
3 changed files with 21 additions and 1 deletions
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16
mysql-test/lib/My/SafeProcess/safe_process.cc
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@ -45,6 +45,7 @@
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <unistd.h>
#include <stdarg.h>
#include <stdio.h>
@ -149,7 +150,8 @@ int main(int argc, char* const argv[] )
char* const* child_argv= 0;
pid_t own_pid= getpid();
pid_t parent_pid= getppid();
bool nocore = false;
/* Install signal handlers */
signal(SIGTERM, handle_signal);
signal(SIGINT, handle_signal);
@ -181,6 +183,9 @@ int main(int argc, char* const argv[] )
start++; /* Step past = */
if ((parent_pid= atoi(start)) == 0)
die("Invalid value '%s' passed to --parent-id", start);
} else if ( strcmp(arg, "--nocore") == 0 )
{
nocore = true; // Don't allow the process to dump core
}
else
die("Unknown option: %s", arg);
@ -218,6 +223,15 @@ int main(int argc, char* const argv[] )
// it and any childs(that hasn't changed group themself)
setpgid(0, 0);
if (nocore)
{
struct rlimit corelim = { 0, 0 };
if (setrlimit (RLIMIT_CORE, &corelim) < 0)
{
message("setrlimit failed, errno=%d", errno);
}
}
// Signal that child is ready
buf= 37;
write(pfd[1], &buf, 1);