{
struct_sigevent sev;
- if (!umove_or_printaddr(tcp, addr, &sev)) {
- tprintf("{%#lx, ", (unsigned long) sev.sigev_value.sival_ptr);
- if (sev.sigev_notify == SIGEV_SIGNAL)
- tprintf("%s, ", signame(sev.sigev_signo));
- else
- tprintf("%u, ", sev.sigev_signo);
- printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
- tprints(", ");
- if (sev.sigev_notify == SIGEV_THREAD_ID)
-#if defined(HAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD)
- /* _pad[0] is the _tid field which might not be
- present in the userlevel definition of the
- struct. */
- tprintf("{%d}", sev._sigev_un._pad[0]);
-#elif defined(HAVE_STRUCT_SIGEVENT___PAD)
- tprintf("{%d}", sev.__pad[0]);
+ if (umove_or_printaddr(tcp, addr, &sev))
+ return;
+
+ tprints("{");
+ if (sev.sigev_value.sival_ptr)
+ tprintf("sigev_value={int=%d, ptr=%#lx}, ",
+ sev.sigev_value.sival_int,
+ (unsigned long) sev.sigev_value.sival_ptr);
+
+ tprints("sigev_signo=");
+ switch (sev.sigev_notify) {
+ case SIGEV_SIGNAL:
+ case SIGEV_THREAD:
+ case SIGEV_THREAD_ID:
+ tprints(signame(sev.sigev_signo));
+ break;
+ default:
+ tprintf("%u", sev.sigev_signo);
+ }
+
+ tprints(", sigev_notify=");
+ printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
+
+ switch (sev.sigev_notify) {
+ case SIGEV_THREAD_ID:
+#ifndef sigev_notify_thread_id
+ /*
+ * _pad[0] is the _tid field which might not be
+ * present in the userlevel definition of the struct.
+ */
+# if defined HAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD
+# define sigev_notify_thread_id _sigev_un._pad[0]
+# elif defined HAVE_STRUCT_SIGEVENT___PAD
+# define sigev_notify_thread_id __pad[0]
+# endif
+#endif
+
+#ifdef sigev_notify_thread_id
+ tprintf(", sigev_notify_thread_id=%d",
+ sev.sigev_notify_thread_id);
#else
# warning unfamiliar struct sigevent => incomplete SIGEV_THREAD_ID decoding
- tprints("{...}");
#endif
- else if (sev.sigev_notify == SIGEV_THREAD)
- tprintf("{%#lx, %#lx}",
- (unsigned long) sev.sigev_notify_function,
- (unsigned long) sev.sigev_notify_attributes);
- else
- tprints("{...}");
- tprints("}");
+ break;
+ case SIGEV_THREAD:
+ tprints(", sigev_notify_function=");
+ printaddr((unsigned long) sev.sigev_notify_function);
+ tprints(", sigev_notify_attributes=");
+ printaddr((unsigned long) sev.sigev_notify_attributes);
+ break;
}
+ tprints("}");
}
--- /dev/null
+/*
+ * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <signal.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+
+#ifdef __NR_timer_create
+
+int
+main(void)
+{
+ int tid[4] = {};
+ struct sigevent sev = {
+ .sigev_notify = SIGEV_NONE,
+ .sigev_signo = 0xfacefeed,
+ .sigev_value.sival_ptr =
+ (void *) (unsigned long) 0xdeadbeefbadc0ded
+ };
+
+ if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[0]))
+ return 77;
+ printf("timer_create(CLOCK_REALTIME, {sigev_value={int=%d, ptr=%p}"
+ ", sigev_signo=%u, sigev_notify=SIGEV_NONE}"
+ ", [%d]) = 0\n",
+ sev.sigev_value.sival_int,
+ sev.sigev_value.sival_ptr,
+ sev.sigev_signo, tid[0]);
+
+ sev.sigev_notify = SIGEV_SIGNAL;
+ sev.sigev_signo = SIGALRM;
+ if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[1]))
+ return 77;
+ printf("timer_create(CLOCK_MONOTONIC, {sigev_value={int=%d, ptr=%p}"
+ ", sigev_signo=SIGALRM, sigev_notify=SIGEV_SIGNAL}"
+ ", [%d]) = 0\n",
+ sev.sigev_value.sival_int,
+ sev.sigev_value.sival_ptr, tid[1]);
+
+ sev.sigev_notify = SIGEV_THREAD;
+ sev.sigev_notify_function =
+ (void *) (unsigned long) 0xdeadbeefbadc0ded;
+ sev.sigev_notify_attributes =
+ (void *) (unsigned long) 0xcafef00dfacefeed;
+ if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[2]))
+ return 77;
+ printf("timer_create(CLOCK_REALTIME, {sigev_value={int=%d, ptr=%p}"
+ ", sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD"
+ ", sigev_notify_function=%p, sigev_notify_attributes=%p}"
+ ", [%d]) = 0\n",
+ sev.sigev_value.sival_int,
+ sev.sigev_value.sival_ptr,
+ sev.sigev_notify_function,
+ sev.sigev_notify_attributes,
+ tid[2]);
+
+#ifndef sigev_notify_thread_id
+# if defined HAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD
+# define sigev_notify_thread_id _sigev_un._pad[0]
+# elif defined HAVE_STRUCT_SIGEVENT___PAD
+# define sigev_notify_thread_id __pad[0]
+# endif
+#endif /* !sigev_notify_thread_id */
+
+#ifdef sigev_notify_thread_id
+# ifndef SIGEV_THREAD_ID
+# define SIGEV_THREAD_ID 4
+# endif
+ sev.sigev_notify = SIGEV_THREAD_ID;
+ sev.sigev_notify_thread_id = getpid();
+ if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[3]))
+ return 77;
+ printf("timer_create(CLOCK_MONOTONIC, {sigev_value={int=%d, ptr=%p}"
+ ", sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD_ID"
+ ", sigev_notify_thread_id=%d}"
+ ", [%d]) = 0\n",
+ sev.sigev_value.sival_int,
+ sev.sigev_value.sival_ptr,
+ sev.sigev_notify_thread_id,
+ tid[3]);
+#endif /* sigev_notify_thread_id */
+
+ puts("+++ exited with 0 +++");
+ return 0;
+}
+
+#else
+
+int
+main(void)
+{
+ return 77;
+}
+
+#endif
projects / strace / commitdiff