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| author | Moritz Poldrack <git@moritz.sh> | 2023-06-16 21:12:25 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2023-06-17 19:02:45 +0000 |
| commit | 261e26761805e03c126bf3934a8f39302e8d85fb (patch) | |
| tree | d9949dc760616b29fcd47850976a45d0467dcecc /src/os/exec.go | |
| parent | dbf9bf2c39116f1330002ebba8f8870b96645d87 (diff) | |
| download | go-261e26761805e03c126bf3934a8f39302e8d85fb.tar.xz | |
os/exec: document a method to check if a process is alive
Fixes #34396
Change-Id: I35c4e3447f84e349adf7edba92ccb19b324bfe14
GitHub-Last-Rev: 4f06764109ddd9bdfbe4841fc1bebebe026eeb29
GitHub-Pull-Request: golang/go#60763
Reviewed-on: https://go-review.googlesource.com/c/go/+/502815
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Diffstat (limited to 'src/os/exec.go')
| -rw-r--r-- | src/os/exec.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/os/exec.go b/src/os/exec.go index d01ca592ba..ed5a75c4d1 100644 --- a/src/os/exec.go +++ b/src/os/exec.go @@ -86,7 +86,9 @@ func Getppid() int { return syscall.Getppid() } // about the underlying operating system process. // // On Unix systems, FindProcess always succeeds and returns a Process -// for the given pid, regardless of whether the process exists. +// for the given pid, regardless of whether the process exists. To test whether +// the process actually exists, see whether p.Signal(syscall.Signal(0)) reports +// an error. func FindProcess(pid int) (*Process, error) { return findProcess(pid) } |