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authorCsaba Henk <csaba@gluster.com>2011-05-26 03:32:27 +0000
committerAnand Avati <avati@gluster.com>2011-05-26 08:55:22 -0700
commit9072b817b0803f999081c6244b18a9ae8fb0234c (patch)
tree919d47d2ea6d42975dac3dd9293f925d6e7849e6 /libglusterfs/src
parent302ad26982d1eb7762e743e14dda627ffb317379 (diff)
reimplement invocation of external programs with run API
Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2562 (invoke external commands precisely with fork + exec) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2562
Diffstat (limited to 'libglusterfs/src')
-rw-r--r--libglusterfs/src/common-utils.c59
-rw-r--r--libglusterfs/src/common-utils.h1
-rw-r--r--libglusterfs/src/compat.h5
-rw-r--r--libglusterfs/src/graph.y2
4 files changed, 7 insertions, 60 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index e745ec0faf3..7cb389ba35d 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -1485,65 +1485,6 @@ get_checksum_for_file (int fd, uint32_t *checksum)
}
-/* One should pass the command here with command with full path,
- otherwise, execv will fail */
-int
-gf_system (const char *command)
-{
- int ret = -1;
- pid_t pid = 0;
- int status = 0;
- int idx = 0;
- char *dupcmd = NULL;
- char *arg = NULL;
- char *tmp = NULL;
- char *argv[100] = { NULL, };
-
- dupcmd = gf_strdup (command);
- if (!dupcmd)
- goto out;
-
- pid = fork ();
- if (pid < 0) {
- /* failure */
- goto out;
- }
- if (pid == 0) {
- /* Child process */
- /* Step 0: Prepare the argv */
- arg = strtok_r (dupcmd, " ", &tmp);
- while (arg) {
- argv[idx] = arg;
- arg = strtok_r (NULL, " ", &tmp);
- idx++;
- }
- /* Step 1: Close all 'fd' */
- for (idx = 3; idx < 65536; idx++) {
- close (idx);
- }
- /* Step 2: execv (); */
- ret = execvp (argv[0], argv);
-
- /* Code will not come here at all */
- gf_log ("", GF_LOG_ERROR, "execv of (%s) failed", command);
-
- kill (getpid(), SIGKILL);
- }
- if (pid > 0) {
- /* Current, ie, parent process */
- pid = waitpid (pid, &status, 0);
- if (WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS)
- ret = 0;
- else
- ret = -1;
- }
-out:
- if (dupcmd)
- GF_FREE (dupcmd);
-
- return ret;
-}
-
int
get_checksum_for_path (char *path, uint32_t *checksum)
{
diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index a1df3de3524..d3218b0185a 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -344,7 +344,6 @@ int gf_unlockfd (int fd);
int get_checksum_for_file (int fd, uint32_t *checksum);
int log_base2 (unsigned long x);
-int gf_system (const char *command);
int get_checksum_for_path (char *path, uint32_t *checksum);
char *strtail (char *str, const char *pattern);
diff --git a/libglusterfs/src/compat.h b/libglusterfs/src/compat.h
index a6f1f01bd28..4d336ea0647 100644
--- a/libglusterfs/src/compat.h
+++ b/libglusterfs/src/compat.h
@@ -378,4 +378,9 @@ dirent_size (struct dirent *entry)
#define IXDR_PUT_U_LONG(buf, v) IXDR_PUT_LONG(buf, (long)(v))
#endif
+#if defined(__GNUC__) && !defined(RELAX_POISONING)
+/* Use run API, see run.h */
+#pragma GCC poison system popen
+#endif
+
#endif /* __COMPAT_H__ */
diff --git a/libglusterfs/src/graph.y b/libglusterfs/src/graph.y
index 52e15940ac7..3e566aa1d12 100644
--- a/libglusterfs/src/graph.y
+++ b/libglusterfs/src/graph.y
@@ -29,6 +29,8 @@
#include <sys/types.h>
#include <sys/wait.h>
+#define RELAX_POISONING
+
#include "xlator.h"
#include "graph-utils.h"
#include "logging.h"