diff options
Diffstat (limited to 'make.h')
| -rw-r--r-- | make.h | 27 |
1 files changed, 8 insertions, 19 deletions
@@ -539,24 +539,13 @@ extern int handling_fatal_signal; #endif -/* If we have broken SA_RESTART support, then wrap stat() and readdir() with - versions that handle EINTR. Note that there are still plenty of system - calls that can fail with EINTR but this, reportedly, gets the vast - majority of failure cases. If you still experience failures you'll need - to either get a system where SA_RESTART works, or you need to avoid -j. */ +/* Some systems (like Solaris, PTX, etc.) do not support the SA_RESTART flag + properly according to POSIX. So, we try to wrap common system calls with + checks for EINTR. Note that there are still plenty of system calls that + can fail with EINTR but this, reportedly, gets the vast majority of + failure cases. If you still experience failures you'll need to either get + a system where SA_RESTART works, or you need to avoid -j. */ -#ifdef HAVE_BROKEN_RESTART +#define EINTRLOOP(_v,_c) while (((_v)=_c)==-1 && errno==EINTR) -/* Here we make an assumption that a system with a broken SA_RESTART has - dirent.h. Right now the only system I know of in this category is PTX, and - it does have dirent.h. -*/ -#include <dirent.h> - -#define stat(_f,_b) atomic_stat ((_f), (_b)) -#define readdir(_d) atomic_readdir (_d) - -extern int atomic_stat PARAMS ((const char *file, struct stat *buf)); -extern struct dirent *atomic_readdir PARAMS ((DIR *dir)); - -#endif +#define ENULLLOOP(_v,_c) while (((_v)=_c)==0 && errno==EINTR) |