system: Remove unused system specific calls

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
(Imported from commit d9030d8c10ebe6f95f33cbc691b5756d97395b0f)

diff --git a/common/system_aix.c b/common/system_aix.c
index 41f61aecb5d995b42b6c33391ea3682c77fe8ac4..a98d38205679662ce0bf2f01c58e58be092fbdb3 100644 (file)
--- a/common/system_aix.c
+++ b/common/system_aix.c
@@ -374,26 +374,8 @@ int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
        return ret;
 }
 
-char *ctdb_get_process_name(pid_t pid)
-{
-       /* FIXME AIX: get_process_name not implemented */
-       return NULL;
-}
-
 int ctdb_set_process_name(const char *name)
 {
        /* FIXME AIX: set_process_name not implemented */
        return -ENOSYS;
 }
-
-bool ctdb_get_lock_info(pid_t req_pid, struct ctdb_lock_info *lock_info)
-{
-       /* FIXME AIX: get_lock_info not implemented */
-       return false;
-}
-
-bool ctdb_get_blocker_pid(struct ctdb_lock_info *reqlock, pid_t *blocker_pid)
-{
-       /* FIXME AIX: get_blocker_pid not implemented */
-       return false;
-}

diff --git a/common/system_freebsd.c b/common/system_freebsd.c
index 9597a7ac965b27e48a60bf6204efcd80a33067d7..c5a816bf7af4533de01ce6224c909e8fcedb6bdb 100644 (file)
--- a/common/system_freebsd.c
+++ b/common/system_freebsd.c
@@ -370,40 +370,8 @@ int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
        return 1;
 }
 
-char *ctdb_get_process_name(pid_t pid)
-{
-       char path[32];
-       char buf[PATH_MAX];
-       char *ptr;
-       int n;
-
-       snprintf(path, sizeof(path), "/proc/%d/exe", pid);
-       n = readlink(path, buf, sizeof(buf));
-       if (n < 0) {
-               return NULL;
-       }
-
-       /* Remove any extra fields */
-       buf[n] = '\0';
-       ptr = strtok(buf, " ");
-       return strdup(ptr);
-       return NULL;
-}
-
 int ctdb_set_process_name(const char *name)
 {
        /* FIXME FreeBSD: set_process_name not implemented */
        return -ENOSYS;
 }
-
-bool ctdb_get_lock_info(pid_t req_pid, struct ctdb_lock_info *lock_info)
-{
-       /* FIXME FreeBSD: get_lock_info not implemented */
-       return false;
-}
-
-bool ctdb_get_blocker_pid(struct ctdb_lock_info *reqlock, pid_t *blocker_pid)
-{
-       /* FIXME FreeBSD: get_blocker_pid not implemented */
-       return false;
-}

diff --git a/common/system_gnu.c b/common/system_gnu.c
index 2ab13996132d05480e9977d1a09baf60e25bf552..bf8f43c4868d153592681471d8f730489b0f575f 100644 (file)
--- a/common/system_gnu.c
+++ b/common/system_gnu.c
@@ -363,26 +363,8 @@ int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
        return 1;
 }
 
-char *ctdb_get_process_name(pid_t pid)
-{
-       /* FIXME GNU/Hurd: get_process_name not implemented */
-       return NULL;
-}
-
 int ctdb_set_process_name(const char *name)
 {
        /* FIXME GNU/Hurd: set_process_name not implemented */
        return -ENOSYS;
 }
-
-bool ctdb_get_lock_info(pid_t req_pid, struct ctdb_lock_info *lock_info)
-{
-       /* FIXME GNU/Hurd: get_lock_info not implemented */
-       return false;
-}
-
-bool ctdb_get_blocker_pid(struct ctdb_lock_info *reqlock, pid_t *blocker_pid)
-{
-       /* FIXME GNU/Hurd: get_blocker_pid not implemented */
-       return false;
-}

diff --git a/common/system_kfreebsd.c b/common/system_kfreebsd.c
index 41aa4d6d8d60a3c8428fdd53255fcb12569efd30..de7c8911c89e0893e398786abe31d60785645858 100644 (file)
--- a/common/system_kfreebsd.c
+++ b/common/system_kfreebsd.c
@@ -363,39 +363,8 @@ int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
        return 1;
 }
 
-char *ctdb_get_process_name(pid_t pid)
-{
-       char path[32];
-       char buf[PATH_MAX];
-       char *ptr;
-       int n;
-
-       snprintf(path, sizeof(path), "/proc/%d/exe", pid);
-       n = readlink(path, buf, sizeof(buf));
-       if (n < 0) {
-               return NULL;
-       }
-
-       /* Remove any extra fields */
-       buf[n] = '\0';
-       ptr = strtok(buf, " ");
-       return strdup(ptr);
-}
-
 int ctdb_set_process_name(const char *name)
 {
        /* FIXME kFreeBSD: set_process_name not implemented */
        return -ENOSYS;
 }
-
-bool ctdb_get_lock_info(pid_t req_pid, struct ctdb_lock_info *lock_info)
-{
-       /* FIXME kFreeBSD: get_lock_info not implemented */
-       return false;
-}
-
-bool ctdb_get_blocker_pid(struct ctdb_lock_info *reqlock, pid_t *blocker_pid)
-{
-       /* FIXME kFreeBSD: get_blocker_pid not implemented */
-       return false;
-}

diff --git a/common/system_linux.c b/common/system_linux.c
index 97a57ac8b6596c47414185472defb13e9446e044..8848b55eac4a23955020d2995894898b3bd34103 100644 (file)
--- a/common/system_linux.c
+++ b/common/system_linux.c
@@ -597,28 +597,6 @@ int ctdb_get_peer_pid(const int fd, pid_t *peer_pid)
        return ret;
 }
 
-/*
- * Find the process name from process ID
- */
-char *ctdb_get_process_name(pid_t pid)
-{
-       char path[32];
-       char buf[PATH_MAX];
-       char *ptr;
-       int n;
-
-       snprintf(path, sizeof(path), "/proc/%d/exe", pid);
-       n = readlink(path, buf, sizeof(buf)-1);
-       if (n < 0) {
-               return NULL;
-       }
-
-       /* Remove any extra fields */
-       buf[n] = '\0';
-       ptr = strtok(buf, " ");
-       return (ptr == NULL ? ptr : strdup(ptr));
-}
-
 /*
  * Set process name
  */
@@ -630,158 +608,3 @@ int ctdb_set_process_name(const char *name)
        procname[15] = '\0';
        return prctl(PR_SET_NAME, (unsigned long)procname, 0, 0, 0);
 }
-
-/*
- * Parsing a line from /proc/locks,
- */
-static bool parse_proc_locks_line(char *line, pid_t *pid,
-                                 struct ctdb_lock_info *curlock)
-{
-       char *ptr, *saveptr;
-
-       /* output of /proc/locks
-        *
-        * lock assigned
-        * 1: POSIX  ADVISORY  WRITE 25945 fd:00:6424820 212 212
-        *
-        * lock waiting
-        * 1: -> POSIX  ADVISORY  WRITE 25946 fd:00:6424820 212 212
-        */
-
-       /* Id: */
-       ptr = strtok_r(line, " ", &saveptr);
-       if (ptr == NULL) return false;
-
-       /* -> */
-       ptr = strtok_r(NULL, " ", &saveptr);
-       if (ptr == NULL) return false;
-       if (strcmp(ptr, "->") == 0) {
-               curlock->waiting = true;
-               ptr = strtok_r(NULL, " ", &saveptr);
-       } else {
-               curlock->waiting = false;
-       }
-
-       /* POSIX */
-       if (ptr == NULL || strcmp(ptr, "POSIX") != 0) {
-               return false;
-       }
-
-       /* ADVISORY */
-       ptr = strtok_r(NULL, " ", &saveptr);
-       if (ptr == NULL) return false;
-
-       /* WRITE */
-       ptr = strtok_r(NULL, " ", &saveptr);
-       if (ptr == NULL) return false;
-       if (strcmp(ptr, "READ") == 0) {
-               curlock->read_only = true;
-       } else if (strcmp(ptr, "WRITE") == 0) {
-               curlock->read_only = false;
-       } else {
-               return false;
-       }
-
-       /* PID */
-       ptr = strtok_r(NULL, " ", &saveptr);
-       if (ptr == NULL) return false;
-       *pid = atoi(ptr);
-
-       /* MAJOR:MINOR:INODE */
-       ptr = strtok_r(NULL, " :", &saveptr);
-       if (ptr == NULL) return false;
-       ptr = strtok_r(NULL, " :", &saveptr);
-       if (ptr == NULL) return false;
-       ptr = strtok_r(NULL, " :", &saveptr);
-       if (ptr == NULL) return false;
-       curlock->inode = atol(ptr);
-
-       /* START OFFSET */
-       ptr = strtok_r(NULL, " ", &saveptr);
-       if (ptr == NULL) return false;
-       curlock->start = atol(ptr);
-
-       /* END OFFSET */
-       ptr = strtok_r(NULL, " ", &saveptr);
-       if (ptr == NULL) return false;
-       if (strncmp(ptr, "EOF", 3) == 0) {
-               curlock->end = (off_t)-1;
-       } else {
-               curlock->end = atol(ptr);
-       }
-
-       return true;
-}
-
-/*
- * Find information of lock being waited on for given process ID
- */
-bool ctdb_get_lock_info(pid_t req_pid, struct ctdb_lock_info *lock_info)
-{
-       FILE *fp;
-       struct ctdb_lock_info curlock;
-       pid_t pid;
-       char buf[1024];
-       bool status = false;
-
-       if ((fp = fopen("/proc/locks", "r")) == NULL) {
-               DEBUG(DEBUG_ERR, ("Failed to read locks information"));
-               return false;
-       }
-       while (fgets(buf, sizeof(buf), fp) != NULL) {
-               if (! parse_proc_locks_line(buf, &pid, &curlock)) {
-                       continue;
-               }
-               if (pid == req_pid && curlock.waiting) {
-                       *lock_info = curlock;
-                       status = true;
-                       break;
-               }
-       }
-       fclose(fp);
-
-       return status;
-}
-
-/*
- * Find process ID which holds an overlapping byte lock for required
- * inode and byte range.
- */
-bool ctdb_get_blocker_pid(struct ctdb_lock_info *reqlock, pid_t *blocker_pid)
-{
-       FILE *fp;
-       struct ctdb_lock_info curlock;
-       pid_t pid;
-       char buf[1024];
-       bool status = false;
-
-       if ((fp = fopen("/proc/locks", "r")) == NULL) {
-               DEBUG(DEBUG_ERR, ("Failed to read locks information"));
-               return false;
-       }
-       while (fgets(buf, sizeof(buf), fp) != NULL) {
-               if (! parse_proc_locks_line(buf, &pid, &curlock)) {
-                       continue;
-               }
-
-               if (curlock.waiting) {
-                       continue;
-               }
-
-               if (curlock.inode != reqlock->inode) {
-                       continue;
-               }
-
-               if (curlock.start > reqlock->end ||
-                   curlock.end < reqlock->start) {
-                       /* Outside the required range */
-                       continue;
-               }
-               *blocker_pid = pid;
-               status = true;
-               break;
-       }
-       fclose(fp);
-
-       return status;
-}

diff --git a/include/ctdb_private.h b/include/ctdb_private.h
index f68ba60b2c5258766a232d2c97c26ef213bc6111..9f04fcd5219d86e06535f424b8fc373fb31e2be3 100644 (file)
--- a/include/ctdb_private.h
+++ b/include/ctdb_private.h
@@ -1219,10 +1219,7 @@ struct ctdb_lock_info {
        bool read_only;
 };
 
-char *ctdb_get_process_name(pid_t pid);
 int ctdb_set_process_name(const char *name);
-bool ctdb_get_lock_info(pid_t req_pid, struct ctdb_lock_info *lock_info);
-bool ctdb_get_blocker_pid(struct ctdb_lock_info *reqlock, pid_t *blocker_pid);
 
 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
 

diff --git a/tests/src/ctdb_porting_tests.c b/tests/src/ctdb_porting_tests.c
index bd7836108655e8216fdcdfd25ab37c3efa004d18..90319307d7d3c17a0be928867bcba6e6e10965ed 100644 (file)
--- a/tests/src/ctdb_porting_tests.c
+++ b/tests/src/ctdb_porting_tests.c
@@ -233,22 +233,6 @@ static int test_ctdb_get_peer_pid(void)
        return 0;
 }
 
-static int test_ctdb_get_process_name(void)
-{
-       char *process_name = NULL;
-       globals.testcount++;
-       process_name = ctdb_get_process_name(globals.helper_pid);
-       if ((process_name == NULL) || !strcmp(process_name, "unknown")) {
-               DEBUG(DEBUG_CRIT,("Test failed: Invalid process name of %d: %s\n", globals.helper_pid, process_name));
-               free(process_name);
-               return -1;
-       }
-       DEBUG(DEBUG_INFO,("Test OK: Name of PID=%d: %s\n", globals.helper_pid, process_name));
-       globals.successcount++;
-       free(process_name);
-       return 0;
-}
-
 /*
   main program
 */
@@ -301,8 +285,6 @@ int main(int argc, const char *argv[])
        /* FIXME: Test ctdb_sys_{open,close}_capture_socket, ctdb_sys_read_tcp_packet */
        test_ctdb_sys_check_iface_exists();
        test_ctdb_get_peer_pid();
-       test_ctdb_get_process_name();
-       /* FIXME: Test ctdb_get_lock_info, ctdb_get_blocker_pid*/
 
        socket_server_close();