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Under Linux, reap CGI zombies reliably

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This commit is contained in:
valenok 2010-09-26 22:20:20 +01:00
parent 66ba1259f2
commit 51b1f3a021
2 changed files with 5 additions and 13 deletions
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13
main.c
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@ -65,15 +65,7 @@ static struct mg_context *ctx; // Set by start_mongoose()
#endif /* !CONFIG_FILE */
static void WINCDECL signal_handler(int sig_num) {
#if !defined(_WIN32)
if (sig_num == SIGCHLD) {
do {
} while (waitpid(-1, &sig_num, WNOHANG) > 0);
} else
#endif /* !_WIN32 */
{
exit_flag = sig_num;
}
exit_flag = sig_num;
}
static void die(const char *fmt, ...) {
@ -260,9 +252,6 @@ static void start_mongoose(int argc, char *argv[]) {
process_command_line_arguments(argv, options);
/* Setup signal handler: quit on Ctrl-C */
#ifndef _WIN32
signal(SIGCHLD, signal_handler);
#endif /* _WIN32 */
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);

5
mongoose.c
View File

@ -2832,7 +2832,7 @@ static void prepare_cgi_environment(struct mg_connection *conn,
}
static void handle_cgi_request(struct mg_connection *conn, const char *prog) {
int headers_len, data_len, i, fd_stdin[2], fd_stdout[2];
int headers_len, data_len, i, exit_status, fd_stdin[2], fd_stdout[2];
const char *status;
char buf[BUFSIZ], *pbuf, dir[PATH_MAX], *p;
struct mg_request_info ri;
@ -2925,6 +2925,9 @@ static void handle_cgi_request(struct mg_connection *conn, const char *prog) {
done:
if (pid != (pid_t) -1) {
kill(pid, SIGKILL);
#if !defined(_WIN32)
do {} while (waitpid(-1, &exit_status, WNOHANG) > 0);
#endif
}
if (fd_stdin[0] != -1) {
(void) close(fd_stdin[0]);