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Fix warnings generated by SunStudio and GCC.

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Based upon patch contributed by Stewart Smith

mysql-test/lib/My/SafeProcess/safe_process.cc:
  Fix style -- remove unneeded spaces.
  Specify C linkage for the signal handling functions.
  Check return value from read()/write().
This commit is contained in:
Davi Arnaut 2009-07-08 09:31:22 -03:00
parent ead1ce94e6
commit a56ab623ba
1 changed files with 14 additions and 11 deletions
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25
mysql-test/lib/My/SafeProcess/safe_process.cc
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@ -89,7 +89,7 @@ static void die(const char* fmt, ...)
}
static void kill_child (void)
static void kill_child(void)
{
int status= 0;
@ -119,7 +119,7 @@ static void kill_child (void)
}
static void handle_abort (int sig)
extern "C" void handle_abort(int sig)
{
message("Got signal %d, child_pid: %d, sending ABRT", sig, child_pid);
@ -128,8 +128,8 @@ static void handle_abort (int sig)
}
}
static void handle_signal (int sig)
extern "C" void handle_signal(int sig)
{
message("Got signal %d, child_pid: %d", sig, child_pid);
terminated= 1;
@ -152,7 +152,7 @@ int main(int argc, char* const argv[] )
pid_t own_pid= getpid();
pid_t parent_pid= getppid();
bool nocore = false;
/* Install signal handlers */
signal(SIGTERM, handle_signal);
signal(SIGINT, handle_signal);
@ -232,10 +232,11 @@ int main(int argc, char* const argv[] )
message("setrlimit failed, errno=%d", errno);
}
}
// Signal that child is ready
buf= 37;
write(pfd[1], &buf, 1);
if ((write(pfd[1], &buf, 1)) < 1)
die("Failed to signal that child is ready");
// Close write end
close(pfd[1]);
@ -246,8 +247,10 @@ int main(int argc, char* const argv[] )
close(pfd[1]); // Close unused write end
// Wait for child to signal it's ready
read(pfd[0], &buf, 1);
if(buf != 37)
if ((read(pfd[0], &buf, 1)) < 1)
die("Failed to read signal from child");
if (buf != 37)
die("Didn't get 37 from pipe");
close(pfd[0]); // Close read end
@ -272,7 +275,7 @@ int main(int argc, char* const argv[] )
if (WIFEXITED(status))
{
// Process has exited, collect return status
int ret_code= WEXITSTATUS(status);
ret_code= WEXITSTATUS(status);
message("Child exit: %d", ret_code);
// Exit with exit status of the child
exit(ret_code);
@ -287,6 +290,6 @@ int main(int argc, char* const argv[] )
}
kill_child();
exit(1);
return 1;
}