xnu-3789.41.3.tar.gz

[apple/xnu.git] / libsyscall / wrappers / spawn / posix_spawn.c

diff --git a/libsyscall/wrappers/spawn/posix_spawn.c b/libsyscall/wrappers/spawn/posix_spawn.c
index 4c36d0e9016017f86ed0015ed5b2cef881cfa2cf..be3e94cea94c47f092f869a3848e0b9bc836b0d1 100644 (file)
--- a/libsyscall/wrappers/spawn/posix_spawn.c
+++ b/libsyscall/wrappers/spawn/posix_spawn.c
@@ -39,7 +39,7 @@
 #include <mach/port.h>
 #include <mach/exception_types.h>
 #include <mach/coalition.h> /* for COALITION_TYPE_MAX */
-
+#include <sys/kern_memorystatus.h>
 
 /*
  * posix_spawnattr_init
@@ -1332,6 +1332,43 @@ posix_spawnattr_getcpumonitor(posix_spawnattr_t * __restrict attr,
 }
 
 
+/*
+ * posix_spawnattr_setjetsam_ext
+ *
+ * Description:        Set jetsam attributes for the spawn attribute object
+ *             referred to by 'attr'.
+ *
+ * Parameters: flags                   The flags value to set
+ *             priority                Relative jetsam priority
+ *             memlimit_active         Value in megabytes; memory footprint
+ *                                     above this level while process is
+ *                                     active may result in termination.
+ *             memlimit_inactive       Value in megabytes; memory footprint
+ *                                     above this level while process is
+ *                                     inactive may result in termination.
+ *
+ * Returns:    0                       Success
+ */
+int
+posix_spawnattr_setjetsam_ext(posix_spawnattr_t * __restrict attr,
+       short flags, int priority, int memlimit_active, int memlimit_inactive)
+{
+       _posix_spawnattr_t psattr;
+
+       if (attr == NULL || *attr == NULL)
+               return EINVAL;
+
+       psattr = *(_posix_spawnattr_t *)attr;
+
+       psattr->psa_jetsam_flags = flags;
+       psattr->psa_jetsam_flags |= POSIX_SPAWN_JETSAM_SET;
+       psattr->psa_priority = priority;
+       psattr->psa_memlimit_active = memlimit_active;
+       psattr->psa_memlimit_inactive = memlimit_inactive;
+
+       return (0);
+}
+
 
 /*
  * posix_spawnattr_set_importancewatch_port_np