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| author | Christopher Faylor <me@cgf.cx> | 2002-11-05 04:43:02 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2002-11-05 04:43:02 +0000 |
| commit | d2637322384d97148007decb03d4af6f87159752 (patch) | |
| tree | 6a38c7199d025cfa5054b7bf21bb17b8a369e79c /winsup/cygwin/pinfo.cc | |
| parent | 73f7245be241129f9fe50a06f88e0d271ad6aac7 (diff) | |
| download | cygnal-d2637322384d97148007decb03d4af6f87159752.tar.gz cygnal-d2637322384d97148007decb03d4af6f87159752.tar.bz2 cygnal-d2637322384d97148007decb03d4af6f87159752.zip | |
* pinfo.cc (_pinfo::commune_send): Set priority low when sleeping, waiting for
commune completion so that we don't spin waiting for lower priority processes.
Diffstat (limited to 'winsup/cygwin/pinfo.cc')
| -rw-r--r-- | winsup/cygwin/pinfo.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc index 0f9510fda..f47e3bd2d 100644 --- a/winsup/cygwin/pinfo.cc +++ b/winsup/cygwin/pinfo.cc @@ -362,12 +362,17 @@ _pinfo::commune_send (DWORD code) if (sig_send (this, __SIGCOMMUNE)) goto err; + /* FIXME: Need something better than an busy loop here */ bool isalive; while ((isalive = alive ())) if (myself->hello_pid <= 0) break; else - Sleep (0); + { + DWORD prio = SetThreadPriority (GetCurrentThread (), THREAD_PRIORITY_IDLE); + Sleep (0); + SetThreadPriority (GetCurrentThread (), prio); + } CloseHandle (tome); tome = NULL; |