diff options
| author | Pedro Alves <palves@redhat.com> | 2012-02-27 16:22:16 +0000 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2012-02-27 16:22:16 +0000 |
| commit | 644cebc98ce121ef7e6a8c0d1867ae01e936b41b (patch) | |
| tree | f4eee5e5d107abfb51774b8dabae8706ad8232a1 /gdb/common | |
| parent | c14d7ab2b61d410e10380fcdc21985cdcd88f810 (diff) | |
| download | gdb-644cebc98ce121ef7e6a8c0d1867ae01e936b41b.zip gdb-644cebc98ce121ef7e6a8c0d1867ae01e936b41b.tar.gz gdb-644cebc98ce121ef7e6a8c0d1867ae01e936b41b.tar.bz2 | |
2012-02-27 Pedro Alves <palves@redhat.com>
gdb/gdbserver/
* linux-low.c (pid_is_stopped): Delete, moved to common/.
(linux_attach_lwp_1): Adjust to use linux_proc_pid_is_stopped.
gdb/
* linux-nat.c (pid_is_stopped): Delete, moved to common/.
(linux_nat_post_attach_wait): Adjust to use
linux_proc_pid_is_stopped.
* common/linux-procfs.h (linux_proc_pid_is_stopped): Declare.
* common/linux-procfs.c (linux_proc_pid_is_stopped): New function,
based on pid_is_stopped from both linux-nat.c and
gdbserver/linux-low.c, and renamed.
Diffstat (limited to 'gdb/common')
| -rw-r--r-- | gdb/common/linux-procfs.c | 31 | ||||
| -rw-r--r-- | gdb/common/linux-procfs.h | 5 |
2 files changed, 36 insertions, 0 deletions
diff --git a/gdb/common/linux-procfs.c b/gdb/common/linux-procfs.c index 421f36e..165383e 100644 --- a/gdb/common/linux-procfs.c +++ b/gdb/common/linux-procfs.c @@ -53,3 +53,34 @@ linux_proc_get_tgid (int lwpid) return tgid; } + +/* Detect `T (stopped)' in `/proc/PID/status'. + Other states including `T (tracing stop)' are reported as false. */ + +int +linux_proc_pid_is_stopped (pid_t pid) +{ + FILE *status_file; + char buf[100]; + int retval = 0; + + snprintf (buf, sizeof (buf), "/proc/%d/status", (int) pid); + status_file = fopen (buf, "r"); + if (status_file != NULL) + { + int have_state = 0; + + while (fgets (buf, sizeof (buf), status_file)) + { + if (strncmp (buf, "State:", 6) == 0) + { + have_state = 1; + break; + } + } + if (have_state && strstr (buf, "T (stopped)") != NULL) + retval = 1; + fclose (status_file); + } + return retval; +} diff --git a/gdb/common/linux-procfs.h b/gdb/common/linux-procfs.h index a4ba4a1..c1e5547 100644 --- a/gdb/common/linux-procfs.h +++ b/gdb/common/linux-procfs.h @@ -26,4 +26,9 @@ extern int linux_proc_get_tgid (int lwpid); +/* Detect `T (stopped)' in `/proc/PID/status'. + Other states including `T (tracing stop)' are reported as false. */ + +extern int linux_proc_pid_is_stopped (pid_t pid); + #endif /* COMMON_LINUX_PROCFS_H */ |