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protocol: cleanup process without hanging

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Shuanglei Tao
2019-05-11 09:48:16 +08:00
parent fc4e06b907
commit e73a8e8587
4 changed files with 37 additions and 5 deletions
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18
src/utils.c
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@@ -4,6 +4,8 @@
#include <ctype.h>
#include <string.h>
#include <signal.h>
#include <sys/errno.h>
#include <sys/wait.h>
#ifdef __linux__
// https://github.com/karelzak/util-linux/blob/master/misc-utils/kill.c
@@ -83,6 +85,22 @@ get_sig(const char *sig_name) {
return atoi(sig_name);
}
int
wait_proc(pid_t in, pid_t *out) {
int stat = 0, pid;
do {
pid = waitpid(in, &stat, WNOHANG);
} while (pid < 0 && errno == EINTR);
if (out != NULL) *out = pid;
int status = -1;
if (WIFEXITED(stat)) {
status = WEXITSTATUS(stat);
} else if (WIFSIGNALED(status)) {
status = WTERMSIG(stat);
}
return status;
}
int
open_uri(char *uri) {
#ifdef __APPLE__