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fbaf94bb85
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Pair-Programmed-With: Michael Adam <obnox@samba.org> Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
121 lines
2.8 KiB
C
121 lines
2.8 KiB
C
#include "../common/tdb_private.h"
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#include "../common/io.c"
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#include "../common/tdb.c"
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#include "../common/lock.c"
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#include "../common/freelist.c"
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#include "../common/traverse.c"
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#include "../common/transaction.c"
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#include "../common/error.c"
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#include "../common/open.c"
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#include "../common/check.c"
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#include "../common/hash.c"
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#include "../common/mutex.c"
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#include "tap-interface.h"
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <stdarg.h>
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static TDB_DATA key, data;
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static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level,
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const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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}
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static int do_child(int tdb_flags, int to, int from)
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{
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struct tdb_context *tdb;
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unsigned int log_count;
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struct tdb_logging_context log_ctx = { log_fn, &log_count };
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int ret;
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char c = 0;
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tdb = tdb_open_ex("mutex-allrecord-block.tdb", 3, tdb_flags,
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O_RDWR|O_CREAT, 0755, &log_ctx, NULL);
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ok(tdb, "tdb_open_ex should succeed");
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ret = tdb_allrecord_lock(tdb, F_WRLCK, TDB_LOCK_WAIT, false);
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ok(ret == 0, "tdb_allrecord_lock should succeed");
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write(to, &c, sizeof(c));
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read(from, &c, sizeof(c));
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ret = tdb_allrecord_unlock(tdb, F_WRLCK, false);
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ok(ret == 0, "tdb_allrecord_unlock should succeed");
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return 0;
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}
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/* The code should barf on TDBs created with rwlocks. */
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int main(int argc, char *argv[])
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{
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struct tdb_context *tdb;
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unsigned int log_count;
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struct tdb_logging_context log_ctx = { log_fn, &log_count };
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int ret, status;
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pid_t child, wait_ret;
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int fromchild[2];
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int tochild[2];
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char c;
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int tdb_flags;
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bool runtime_support;
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runtime_support = tdb_runtime_check_for_robust_mutexes();
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if (!runtime_support) {
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skip(1, "No robust mutex support");
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return exit_status();
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}
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key.dsize = strlen("hi");
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key.dptr = discard_const_p(uint8_t, "hi");
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data.dsize = strlen("world");
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data.dptr = discard_const_p(uint8_t, "world");
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pipe(fromchild);
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pipe(tochild);
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tdb_flags = TDB_INCOMPATIBLE_HASH|
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TDB_MUTEX_LOCKING|
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TDB_CLEAR_IF_FIRST;
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child = fork();
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if (child == 0) {
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close(fromchild[0]);
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close(tochild[1]);
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return do_child(tdb_flags, fromchild[1], tochild[0]);
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}
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close(fromchild[1]);
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close(tochild[0]);
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read(fromchild[0], &c, sizeof(c));
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tdb = tdb_open_ex("mutex-allrecord-block.tdb", 0,
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tdb_flags, O_RDWR|O_CREAT, 0755,
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&log_ctx, NULL);
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ok(tdb, "tdb_open_ex should succeed");
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ret = tdb_chainlock_nonblock(tdb, key);
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ok(ret == -1, "tdb_chainlock_nonblock should not succeed");
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write(tochild[1], &c, sizeof(c));
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ret = tdb_chainlock(tdb, key);
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ok(ret == 0, "tdb_chainlock should not succeed");
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ret = tdb_chainunlock(tdb, key);
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ok(ret == 0, "tdb_chainunlock should succeed");
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wait_ret = wait(&status);
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ok(wait_ret == child, "child should have exited correctly");
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diag("done");
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return exit_status();
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}
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