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2443a26b9b
The libpgcommon patch made that unnecessary, palloc and friends are now available in frontend programs too, mapped to plain old malloc. As pointed out by Alvaro Herrera.
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/*-------------------------------------------------------------------------
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*
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* wait_error.c
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* Convert a wait/waitpid(2) result code to a human-readable string
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*
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*
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* Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* src/port/wait_error.c
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef FRONTEND
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#include "postgres.h"
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#else
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#include "postgres_fe.h"
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#endif
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/wait.h>
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/*
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* Return a human-readable string explaining the reason a child process
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* terminated. The argument is a return code returned by wait(2) or
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* waitpid(2). The result is a translated, palloc'd or malloc'd string.
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*/
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char *
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wait_result_to_str(int exitstatus)
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{
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char str[512];
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if (WIFEXITED(exitstatus))
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{
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/*
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* Give more specific error message for some common exit codes that
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* have a special meaning in shells.
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*/
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switch (WEXITSTATUS(exitstatus))
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{
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case 126:
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snprintf(str, sizeof(str), _("command not executable"));
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break;
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case 127:
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snprintf(str, sizeof(str), _("command not found"));
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break;
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default:
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snprintf(str, sizeof(str),
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_("child process exited with exit code %d"),
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WEXITSTATUS(exitstatus));
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}
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}
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else if (WIFSIGNALED(exitstatus))
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#if defined(WIN32)
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snprintf(str, sizeof(str),
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_("child process was terminated by exception 0x%X"),
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WTERMSIG(exitstatus));
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#elif defined(HAVE_DECL_SYS_SIGLIST) && HAVE_DECL_SYS_SIGLIST
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{
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char str2[256];
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snprintf(str2, sizeof(str2), "%d: %s", WTERMSIG(exitstatus),
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WTERMSIG(exitstatus) < NSIG ?
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sys_siglist[WTERMSIG(exitstatus)] : "(unknown)");
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snprintf(str, sizeof(str),
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_("child process was terminated by signal %s"), str2);
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}
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#else
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snprintf(str, sizeof(str),
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_("child process was terminated by signal %d"),
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WTERMSIG(exitstatus));
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#endif
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else
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snprintf(str, sizeof(str),
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_("child process exited with unrecognized status %d"),
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exitstatus);
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return pstrdup(str);
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}
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