mirror of
https://github.com/jart/cosmopolitan.git
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adac64a52b
The includes in libc/calls/calls.h have now been refactored so that functions with struct parameters are declared in libc/calls/struct/
44 lines
2.3 KiB
C
44 lines
2.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/assert.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/rusage.h"
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#include "libc/errno.h"
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#include "libc/stdio/stdio.h"
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#include "libc/sysv/errfuns.h"
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/**
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* Closes stream created by popen().
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* @return termination status of subprocess, or -1 w/ ECHILD
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*/
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int pclose(FILE *f) {
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int ws, pid;
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pid = f->pid;
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fclose(f);
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assert(pid);
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if (!pid) return 0;
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TryAgain:
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if (wait4(pid, &ws, 0, 0) != -1) {
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return ws;
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} else if (errno == EINTR) {
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goto TryAgain;
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} else {
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return echild();
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}
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}
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