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| author | Corinna Vinschen <corinna@vinschen.de> | 2013-05-21 18:53:23 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2013-05-21 18:53:23 +0000 |
| commit | 3e8d2576fdaf69955eb16225117bbe382f85a1d7 (patch) | |
| tree | c453a3b10939976ea30b52fdcae7f7a25202dd73 /winsup/cygwin/globals.cc | |
| parent | cc4a1b830d1cc221b64747cbe1e3964082904333 (diff) | |
| download | cygnal-3e8d2576fdaf69955eb16225117bbe382f85a1d7.tar.gz cygnal-3e8d2576fdaf69955eb16225117bbe382f85a1d7.tar.bz2 cygnal-3e8d2576fdaf69955eb16225117bbe382f85a1d7.zip | |
* globals.cc (__isthreaded): New global variable. Explain what it's
used for.
* miscfuncs.cc (thread_wrapper): Set __isthreaded to 1 here.
Diffstat (limited to 'winsup/cygwin/globals.cc')
| -rw-r--r-- | winsup/cygwin/globals.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/winsup/cygwin/globals.cc b/winsup/cygwin/globals.cc index 887326156..9462c7a0c 100644 --- a/winsup/cygwin/globals.cc +++ b/winsup/cygwin/globals.cc @@ -75,6 +75,13 @@ bool detect_bloda = false; bool NO_COPY in_forkee; +/* Taken from BSD libc: + This variable is zero until a process has created a pthread. It is used + to avoid calling locking functions in libc when they are not required. + Note that this is moderately dangerous. Do not rely on it if the public + API is also used from a non-pthread thread like the signal thread. */ +int NO_COPY __isthreaded = 0; + int __argc_safe; int __argc; char **__argv; |