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externalpipe: sigchld changes interfere with right-click-to-plumb and opencopied patches, proposed fix ref. #27

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bakkeby 2021-05-15 11:44:09 +02:00
parent 56931acefb
commit 80bb4b8ab7
3 changed files with 12 additions and 1 deletions
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6
st.c
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@ -977,7 +977,7 @@ sigchld(int a)
pid_t p;
#if EXTERNALPIPEIN_PATCH && EXTERNALPIPE_PATCH
if ((p = waitpid(-1, &stat, WNOHANG)) < 0)
if ((p = waitpid((extpipeactive ? -1 : pid), &stat, WNOHANG)) < 0)
#else
if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
#endif // EXTERNALPIPEIN_PATCH
@ -985,11 +985,15 @@ sigchld(int a)
#if EXTERNALPIPE_PATCH
if (pid != p) {
if (!extpipeactive)
return;
if (p == 0 && wait(&stat) < 0)
die("wait: %s\n", strerror(errno));
/* reinstall sigchld handler */
signal(SIGCHLD, sigchld);
extpipeactive = 0;
return;
}
#else