shadow/lib/nscd.c

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/* Author: Peter Vrabec <pvrabec@redhat.com> */
/* because of TEMP_FAILURE_RETRY */
#define _GNU_SOURCE
#include <features.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <spawn.h>
#include <errno.h>
#include <sys/wait.h>
#include <sys/types.h>
/*
* nscd_flush_cache - flush specified service buffer in nscd cache
*/
int nscd_flush_cache (char *service)
{
pid_t pid, termpid;
int err, status;
char *spawnedArgs[] = {"/usr/sbin/nscd", "nscd", "-i", service, NULL};
char *spawnedEnv[] = {NULL};
/* spawn process */
if( (err=posix_spawn(&pid, spawnedArgs[0], NULL, NULL,
spawnedArgs, spawnedEnv)) !=0 )
{
fprintf(stderr, "posix_spawn() error=%d\n", err);
return -1;
}
/* Wait for the spawned process to exit */
termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
if (termpid == -1)
{
perror("waitpid");
return -1;
}
else if (termpid != pid)
{
fprintf(stderr, "waitpid returned %ld != %ld\n",
(long int) termpid, (long int) pid);
return -1;
}
return 0;
}