diff options
Diffstat (limited to 'lib/thread-optim.h')
| -rw-r--r-- | lib/thread-optim.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/thread-optim.h b/lib/thread-optim.h index 9a4c80af32..b5ef15aaf4 100644 --- a/lib/thread-optim.h +++ b/lib/thread-optim.h @@ -50,6 +50,11 @@ same optimization cannot be applied to locks that synchronize different processes (e.g. through shared memory mappings). */ +/* This file uses HAVE_SYS_SINGLE_THREADED_H. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + #if HAVE_SYS_SINGLE_THREADED_H /* glibc >= 2.32 */ # include <sys/single_threaded.h> # define gl_multithreaded() (!__libc_single_threaded) |