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43 lines
939 B
43 lines
939 B
2 months ago
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/*
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* UCW Library -- Formatting of Process Exit Status
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*
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* (c) 2004--2012 Martin Mares <mj@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#include <ucw/lib.h>
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#include <ucw/process.h>
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#include <ucw/signames.h>
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#include <stdio.h>
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#include <sys/wait.h>
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#include <errno.h>
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int
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format_exit_status(char *msg, int stat)
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{
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if (stat < 0)
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sprintf(msg, "failed to fork (err=%d)", errno);
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else if (WIFEXITED(stat) && WEXITSTATUS(stat) < 256)
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{
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if (WEXITSTATUS(stat))
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sprintf(msg, "died with exit code %d", WEXITSTATUS(stat));
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else
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{
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msg[0] = 0;
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return 0;
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}
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}
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else if (WIFSIGNALED(stat))
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{
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int sig = WTERMSIG(stat);
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const char *sn = sig_number_to_name(sig);
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sprintf(msg, "died on signal %d (%s)", sig, (sn ? : "unknown"));
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}
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else
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sprintf(msg, "died with status %x", stat);
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return 1;
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}
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