64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
/* Author: Peter Vrabec <pvrabec@redhat.com> */
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#include <config.h>
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#ifdef USE_NSCD
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/* because of TEMP_FAILURE_RETRY */
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#define _GNU_SOURCE
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#include <features.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <spawn.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include "defines.h"
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#include "nscd.h"
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#define MSG_NSCD_FLUSH_CACHE_FAILED "Failed to flush the nscd cache.\n"
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/*
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* nscd_flush_cache - flush specified service buffer in nscd cache
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*/
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int nscd_flush_cache (const char *service)
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{
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pid_t pid, termpid;
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int err, status;
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char *spawnedArgs[] = {"/usr/sbin/nscd", "nscd", "-i", service, NULL};
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char *spawnedEnv[] = {NULL};
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/* spawn process */
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err = posix_spawn (&pid, spawnedArgs[0], NULL, NULL,
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spawnedArgs, spawnedEnv);
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if(0 != err)
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{
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(void) fputs (_(MSG_NSCD_FLUSH_CACHE_FAILED), stderr);
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(void) fprintf (stderr, "posix_spawn() error=%d\n", err);
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return -1;
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}
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/* Wait for the spawned process to exit */
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termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
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if (-1 == termpid)
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{
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(void) fputs (_(MSG_NSCD_FLUSH_CACHE_FAILED), stderr);
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perror("waitpid");
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return -1;
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}
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else if (termpid != pid)
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{
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(void) fputs (_(MSG_NSCD_FLUSH_CACHE_FAILED), stderr);
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(void) fprintf (stderr, "waitpid returned %ld != %ld\n",
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(long int) termpid, (long int) pid);
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return -1;
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}
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return 0;
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}
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#else /* USE_NSCD */
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extern int errno; /* warning: ANSI C forbids an empty source file */
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#endif /* USE_NSCD */
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