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| author | Pedro Alves <palves@redhat.com> | 2011-08-26 18:58:04 +0000 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2011-08-26 18:58:04 +0000 |
| commit | e5798bef38435b582d9fc1c51efbf36b2b7fbe20 (patch) | |
| tree | 82b51d91a77c81a21e766912d8076e06b1516cb2 | |
| parent | edb2aadf8b9b8b968917fad4727f039f0e10f7fb (diff) | |
| download | gdb-e5798bef38435b582d9fc1c51efbf36b2b7fbe20.zip gdb-e5798bef38435b582d9fc1c51efbf36b2b7fbe20.tar.gz gdb-e5798bef38435b582d9fc1c51efbf36b2b7fbe20.tar.bz2 | |
2011-08-26 Pedro Alves <pedro@codesourcery.com>
gdb/
* common/linux-osdata.c (get_cores_used_by_process): Don't assume
opening /proc/PID/task always succeeds.
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/common/linux-osdata.c | 32 |
2 files changed, 22 insertions, 15 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 5179af7..140b3c6 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2011-08-26 Pedro Alves <pedro@codesourcery.com> + + * common/linux-osdata.c (get_cores_used_by_process): Don't assume + opening /proc/PID/task always succeeds. + 2011-08-26 Aleksandar Ristovski <aristovski@qnx.com> * linespec.c (symtab_from_filename): Check for the end of string. diff --git a/gdb/common/linux-osdata.c b/gdb/common/linux-osdata.c index 78659d4..a356bb8 100644 --- a/gdb/common/linux-osdata.c +++ b/gdb/common/linux-osdata.c @@ -259,27 +259,29 @@ get_cores_used_by_process (pid_t pid, int *cores) sprintf (taskdir, "/proc/%d/task", pid); dir = opendir (taskdir); - - while ((dp = readdir (dir)) != NULL) + if (dir) { - pid_t tid; - int core; + while ((dp = readdir (dir)) != NULL) + { + pid_t tid; + int core; - if (!isdigit (dp->d_name[0]) - || NAMELEN (dp) > sizeof ("4294967295") - 1) - continue; + if (!isdigit (dp->d_name[0]) + || NAMELEN (dp) > sizeof ("4294967295") - 1) + continue; - tid = atoi (dp->d_name); - core = linux_common_core_of_thread (ptid_build (pid, tid, 0)); + tid = atoi (dp->d_name); + core = linux_common_core_of_thread (ptid_build (pid, tid, 0)); - if (core >= 0) - { - ++cores[core]; - ++task_count; + if (core >= 0) + { + ++cores[core]; + ++task_count; + } } - } - closedir (dir); + closedir (dir); + } return task_count; } |