libpulp: experimental considerations for OSX

I don't have an OSX system to test with, but after some digging
this looks like it might suffice.

1 files changed, 13 insertions, 1 deletions

diff --git a/src/pulp.c b/src/pulp.c
index 9cfdbc5..ee32b7c 100644
--- a/src/pulp.c
+++ b/src/pulp.c
@@ -27,6 +27,12 @@
  *
  */
 
+#ifdef __MACH__
+#ifndef _XOPEN_SOURCE
+#define _XOPEN_SOURCE
+#endif
+#endif
+
 #include <assert.h>
 #include <errno.h>
 #include <thunk.h>
@@ -46,9 +52,15 @@
 
 #define PULP_USECS_PER_SEC	1000000ULL
 #define PULP_USECS_PER_MSEC	1000ULL
-#define PULP_FIBER_STACK_SIZE	(16 * 1024)
 #define PULP_FIBER_ALLOC_NUM	32
 
+#ifdef __MACH__
+#include <signal.h>
+#define PULP_FIBER_STACK_SIZE	SIGSTKSZ
+#else
+#define PULP_FIBER_STACK_SIZE	(16 * 1024)
+#endif
+
 typedef struct pulp_context_t {
 #ifdef __WIN32__
 	LPVOID		win32_fiber;