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| author | Giampaolo Rodola' <g.rodola@gmail.com> | 2013-12-17 15:35:17 +0100 |
|---|---|---|
| committer | Giampaolo Rodola' <g.rodola@gmail.com> | 2013-12-17 15:35:17 +0100 |
| commit | 86f538826f4f8315926e5f7bf43bc6e7f4ac0ea0 (patch) | |
| tree | 928f04ec29e8ad6e909335252251a6994bde7d15 /psutil/_psposix.py | |
| parent | d54c7c91bde21bce535e2be10d922378f69c8380 (diff) | |
| download | psutil-86f538826f4f8315926e5f7bf43bc6e7f4ac0ea0.tar.gz | |
fix issue 457: [POSIX] pid_exists() always return True for PID 0.
Diffstat (limited to 'psutil/_psposix.py')
| -rw-r--r-- | psutil/_psposix.py | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/psutil/_psposix.py b/psutil/_psposix.py index 01874e0b..e7d8ea12 100644 --- a/psutil/_psposix.py +++ b/psutil/_psposix.py @@ -19,8 +19,7 @@ from psutil._error import TimeoutExpired def pid_exists(pid): """Check whether pid exists in the current process table.""" - if pid < 0: - return False + assert not pid <= 0, pid try: os.kill(pid, 0) except OSError: @@ -33,7 +32,7 @@ def pid_exists(pid): return True else: # According to "man 2 kill" possible error values are - # (EINVAL, EPERM, ESRCH) therefore we should bever get + # (EINVAL, EPERM, ESRCH) therefore we should never get # here. If we do let's be explicit in considering this # an error. raise err |