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Use libzfs_run_process() in libshare.

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This should simplify the code a bit by re-using existing code
to fork and exec a process.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #190
This commit is contained in:
Gunnar Beutner 2011-07-29 10:17:50 +02:00 committed by Brian Behlendorf
parent 3132cb397a
commit ddd0fd9ef6
1 changed files with 29 additions and 59 deletions
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88
lib/libshare/nfs.c
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@ -210,30 +210,10 @@ static int
nfs_enable_share_one(const char *sharepath, const char *host, nfs_enable_share_one(const char *sharepath, const char *host,
const char *security, const char *access, void *pcookie) const char *security, const char *access, void *pcookie)
{ {
pid_t pid; int rc;
int rc, status;
char *linuxhost, *hostpath, *opts; char *linuxhost, *hostpath, *opts;
const char *linux_opts = (const char *)pcookie; const char *linux_opts = (const char *)pcookie;
char *argv[6];
pid = fork();
if (pid < 0)
return SA_SYSTEM_ERR;
if (pid > 0) {
while ((rc = waitpid(pid, &status, 0)) <= 0 && errno == EINTR)
; /* empty loop body */
if (rc <= 0)
return SA_SYSTEM_ERR;
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
return SA_CONFIG_ERR;
return SA_OK;
}
/* child */
/* exportfs -i -o sec=XX,rX,<opts> <host>:<sharepath> */ /* exportfs -i -o sec=XX,rX,<opts> <host>:<sharepath> */
@ -268,16 +248,22 @@ nfs_enable_share_one(const char *sharepath, const char *host,
fprintf(stderr, "sharing %s with opts %s\n", hostpath, opts); fprintf(stderr, "sharing %s with opts %s\n", hostpath, opts);
#endif #endif
rc = execlp("/usr/sbin/exportfs", "exportfs", "-i", \ argv[0] = "/usr/sbin/exportfs";
"-o", opts, hostpath, NULL); argv[1] = "-i";
argv[2] = "-o";
argv[3] = opts;
argv[4] = hostpath;
argv[5] = NULL;
if (rc < 0) { rc = libzfs_run_process(argv[0], argv, 0);
free(hostpath);
free(opts);
exit(1);
}
exit(0); free(hostpath);
free(opts);
if (rc < 0)
return SA_SYSTEM_ERR;
else
return SA_OK;
} }
static int static int
@ -414,29 +400,9 @@ static int
nfs_disable_share_one(const char *sharepath, const char *host, nfs_disable_share_one(const char *sharepath, const char *host,
const char *security, const char *access, void *cookie) const char *security, const char *access, void *cookie)
{ {
pid_t pid; int rc;
int rc, status;
char *linuxhost, *hostpath; char *linuxhost, *hostpath;
char *argv[4];
pid = fork();
if (pid < 0)
return SA_SYSTEM_ERR;
if (pid > 0) {
while ((rc = waitpid(pid, &status, 0)) <= 0 && errno == EINTR)
; /* empty loop body */
if (rc <= 0)
return SA_SYSTEM_ERR;
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
return SA_CONFIG_ERR;
return SA_OK;
}
/* child */
rc = get_linux_hostspec(host, &linuxhost); rc = get_linux_hostspec(host, &linuxhost);
@ -458,15 +424,19 @@ nfs_disable_share_one(const char *sharepath, const char *host,
fprintf(stderr, "unsharing %s\n", hostpath); fprintf(stderr, "unsharing %s\n", hostpath);
#endif #endif
rc = execlp("/usr/sbin/exportfs", "exportfs", "-u", \ argv[0] = "/usr/sbin/exportfs";
hostpath, NULL); argv[1] = "-u";
argv[2] = hostpath;
argv[3] = NULL;
if (rc < 0) { rc = libzfs_run_process(argv[0], argv, 0);
free(hostpath);
exit(1);
}
exit(0); free(hostpath);
if (rc < 0)
return SA_SYSTEM_ERR;
else
return SA_OK;
} }
static int static int