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Another signal-handling refinement from RJK: the SIGCHLD handler

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should be prepared to reap more than one child per invocation if
necessary, since we do after all have two.

[originally from svn r2183]
This commit is contained in:
Simon Tatham 2002-11-02 16:05:26 +00:00
parent 53eb272766
commit d6739ada35
1 changed files with 7 additions and 5 deletions
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12
unix/pty.c
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@ -168,11 +168,13 @@ static void sigchld_handler(int signum)
pid_t pid; pid_t pid;
int status; int status;
pid = waitpid(-1, &status, WNOHANG); do {
if (pid == pty_child_pid && (WIFEXITED(status) || WIFSIGNALED(status))) { pid = waitpid(-1, &status, WNOHANG);
pty_exit_code = status; if (pid == pty_child_pid && (WIFEXITED(status) || WIFSIGNALED(status))) {
pty_child_dead = TRUE; pty_exit_code = status;
} pty_child_dead = TRUE;
}
} while(pid > 0);
errno = save_errno; errno = save_errno;
} }