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Ignore all common signals

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Just retry OpenEvent a couple of times with a "yield" in between
This commit is contained in:
unknown 2008-03-10 16:00:39 +01:00
parent 4aced3b84d
commit 351092d81f
1 changed files with 12 additions and 18 deletions
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30
mysql-test/lib/My/SafeProcess/safe_kill_win.cc
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@ -23,6 +23,7 @@
#include <windows.h> #include <windows.h>
#include <stdio.h> #include <stdio.h>
#include <signal.h>
int main(int argc, const char** argv ) int main(int argc, const char** argv )
{ {
@ -30,6 +31,10 @@ int main(int argc, const char** argv )
HANDLE shutdown_event; HANDLE shutdown_event;
char safe_process_name[32]= {0}; char safe_process_name[32]= {0};
int retry_open_event= 100; int retry_open_event= 100;
/* Ignore any signals */
signal(SIGINT, SIG_IGN);
signal(SIGBREAK, SIG_IGN);
signal(SIGTERM, SIG_IGN);
if (argc != 2) { if (argc != 2) {
fprintf(stderr, "safe_kill <pid>\n"); fprintf(stderr, "safe_kill <pid>\n");
@ -37,31 +42,20 @@ int main(int argc, const char** argv )
} }
pid= atoi(argv[1]); pid= atoi(argv[1]);
_snprintf(safe_process_name, sizeof(safe_process_name), "safe_process[%d]", pid); _snprintf(safe_process_name, sizeof(safe_process_name),
"safe_process[%d]", pid);
/* Open the event to signal */ /* Open the event to signal */
while ((shutdown_event= while ((shutdown_event=
OpenEvent(EVENT_MODIFY_STATE, FALSE, safe_process_name)) == NULL) OpenEvent(EVENT_MODIFY_STATE, FALSE, safe_process_name)) == NULL)
{ {
fprintf(stderr, "Failed to open shutdown_event '%s', error: %d\n",
safe_process_name, GetLastError());
/* Just check to see if pid exists */
HANDLE pid_handle= OpenProcess(SYNCHRONIZE, FALSE, pid);
if (pid_handle == NULL)
fprintf(stderr, "Could not open process with pid %d, error: %d\n", pid);
else
CloseHandle(pid_handle);
if (retry_open_event--) if (retry_open_event--)
{ Sleep(0); /* yield */
fprintf(stderr, "retrying...\n");
Sleep(100); /* In milli seconds */
}
else else
{ {
fprintf(stderr, "No more retries, exiting"); fprintf(stderr, "Failed to open shutdown_event '%s', error: %d\n",
exit(1); safe_process_name, GetLastError());
exit(3);
} }
} }
@ -70,7 +64,7 @@ int main(int argc, const char** argv )
fprintf(stderr, "Failed to signal shutdown_event '%s', error: %d\n", fprintf(stderr, "Failed to signal shutdown_event '%s', error: %d\n",
safe_process_name, GetLastError()); safe_process_name, GetLastError());
CloseHandle(shutdown_event); CloseHandle(shutdown_event);
exit(1); exit(4);
} }
CloseHandle(shutdown_event); CloseHandle(shutdown_event);
exit(0); exit(0);