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@@ -4295,72 +4295,73 @@ out:
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return ret;
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}
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-#if !defined(WIN32)
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-static void fork_monitor()
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-{
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- // Make a pipe: [readFD, writeFD]
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- int pfd[2];
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- int r = pipe(pfd);
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- if (r<0) {
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- perror("pipe - failed to create pipe for --monitor");
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- exit(1);
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- }
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-
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- // Make stderr write end of pipe
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- fflush(stderr);
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- r = dup2(pfd[1], 2);
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- if (r<0) {
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- perror("dup2 - failed to alias stderr to write end of pipe for --monitor");
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- exit(1);
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- }
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- r = close(pfd[1]);
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- if (r<0) {
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- perror("close - failed to close write end of pipe for --monitor");
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- exit(1);
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- }
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-
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- // Don't allow a dying monitor to kill the main process
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- sighandler_t sr = signal(SIGPIPE, SIG_IGN);
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- if (SIG_ERR==sr) {
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- perror("signal - failed to edit signal mask for --monitor");
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- exit(1);
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- }
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-
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- // Fork a child process
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- r = fork();
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- if (r<0) {
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- perror("fork - failed to fork child process for --monitor");
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- exit(1);
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- }
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+#if defined(unix)
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+ static void fork_monitor()
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+ {
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+ // Make a pipe: [readFD, writeFD]
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+ int pfd[2];
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+ int r = pipe(pfd);
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+ if (r<0) {
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+ perror("pipe - failed to create pipe for --monitor");
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+ exit(1);
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+ }
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- // In child, launch command
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- if (0==r) {
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- // Make stdin read end of pipe
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- r = dup2(pfd[0], 0);
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+ // Make stderr write end of pipe
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+ fflush(stderr);
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+ r = dup2(pfd[1], 2);
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if (r<0) {
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- perror("dup2 - in child, failed to alias read end of pipe to stdin for --monitor");
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+ perror("dup2 - failed to alias stderr to write end of pipe for --monitor");
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exit(1);
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}
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- close(pfd[0]);
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+ r = close(pfd[1]);
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if (r<0) {
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- perror("close - in child, failed to close read end of pipe for --monitor");
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+ perror("close - failed to close write end of pipe for --monitor");
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exit(1);
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}
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- // Launch user specified command
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- execl("/bin/bash", "/bin/bash", "-c", opt_stderr_cmd, (char*)NULL);
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- perror("execl - in child failed to exec user specified command for --monitor");
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- exit(1);
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- }
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+ // Don't allow a dying monitor to kill the main process
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+ sighandler_t sr0 = signal(SIGPIPE, SIG_IGN);
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+ sighandler_t sr1 = signal(SIGPIPE, SIG_IGN);
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+ if (SIG_ERR==sr0 || SIG_ERR==sr1) {
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+ perror("signal - failed to edit signal mask for --monitor");
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+ exit(1);
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+ }
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- // In parent, clean up unused fds
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- r = close(pfd[0]);
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- if (r<0) {
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- perror("close - failed to close read end of pipe for --monitor");
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- exit(1);
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+ // Fork a child process
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+ r = fork();
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+ if (r<0) {
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+ perror("fork - failed to fork child process for --monitor");
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+ exit(1);
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+ }
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+
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+ // Child: launch monitor command
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+ if (0==r) {
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+ // Make stdin read end of pipe
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+ r = dup2(pfd[0], 0);
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+ if (r<0) {
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+ perror("dup2 - in child, failed to alias read end of pipe to stdin for --monitor");
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+ exit(1);
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+ }
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+ close(pfd[0]);
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+ if (r<0) {
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+ perror("close - in child, failed to close read end of pipe for --monitor");
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+ exit(1);
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+ }
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+
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+ // Launch user specified command
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+ execl("/bin/bash", "/bin/bash", "-c", opt_stderr_cmd, (char*)NULL);
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+ perror("execl - in child failed to exec user specified command for --monitor");
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+ exit(1);
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+ }
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+
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+ // Parent: clean up unused fds and bail
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+ r = close(pfd[0]);
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+ if (r<0) {
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+ perror("close - failed to close read end of pipe for --monitor");
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+ exit(1);
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+ }
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}
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-}
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-#endif // !WIN32
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+#endif // defined(unix)
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int main (int argc, char *argv[])
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{
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