xnu-2782.20.48.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 3d8369be090bb7a079f55297e74ba173bf5c8c98..d3bec4ede7d525535756688db91f9cd0abaaea27 100644 (file)
--- a/libsyscall/wrappers/spawn/posix_spawn.c
+++ b/libsyscall/wrappers/spawn/posix_spawn.c
@@ -39,9 +39,6 @@
 #include <mach/port.h>
 #include <mach/exception_types.h>
 
-#if TARGET_OS_EMBEDDED
-#include <sys/kern_memorystatus.h>
-#endif
 
 /*
  * posix_spawnattr_init
@@ -117,12 +114,8 @@ posix_spawnattr_init(posix_spawnattr_t *attr)
                 (*psattrp)->flags_padding = 0; 
                 (*psattrp)->int_padding = 0;
 
-
-               /*
-                * The default value of this attribute shall be an no
-                * process control on resource starvation
-                */
-               (*psattrp)->psa_apptype = 0;
+               /* Default is no new apptype requested */
+               (*psattrp)->psa_apptype = POSIX_SPAWN_PROCESS_TYPE_DEFAULT;
 
                /* Jetsam related */
                (*psattrp)->psa_jetsam_flags = 0;
@@ -135,6 +128,12 @@ posix_spawnattr_init(posix_spawnattr_t *attr)
 
                /* Default is no MAC policy extensions. */
                (*psattrp)->psa_mac_extensions = NULL;
+
+               /* Default is to inherit parent's coalition */
+               (*psattrp)->psa_coalitionid = 0;
+
+               /* Default is no new clamp */
+               (*psattrp)->psa_qos_clamp = POSIX_SPAWN_PROC_CLAMP_NONE;
        }
 
        return (err);
@@ -1266,40 +1265,6 @@ posix_spawnattr_getcpumonitor(posix_spawnattr_t * __restrict attr,
        return (0);
 }
 
-#if TARGET_OS_EMBEDDED
-/*
- * posix_spawnattr_setjetsam
- *
- * Description:        Set jetsam attributes for the spawn attribute object
- *             referred to by 'attr'.
- *
- * Parameters: flags                   The flags value to set
- *             priority                Relative jetsam priority
- *             high_water_mark         Value in pages; resident page
- *                                     counts above this level can
- *                                     result in termination
- *
- * Returns:    0                       Success
- */
-int
-posix_spawnattr_setjetsam(posix_spawnattr_t * __restrict attr,
-               short flags, int priority, int high_water_mark)
-{
-       _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_high_water_mark = high_water_mark;
-
-       return (0);
-}
-#endif
 
 
 /*
@@ -1379,8 +1344,9 @@ posix_spawnattr_getmacpolicyinfo_np(const posix_spawnattr_t * __restrict attr,
        if (extension == NULL)
                return ESRCH;
        *datap = (void *)(uintptr_t)extension->data;
-       if (datalenp != NULL)
-               *datalenp = extension->datalen;
+       if (datalenp != NULL) {
+               *datalenp = (size_t)extension->datalen;
+       }
        return 0;
 }
 
@@ -1424,6 +1390,54 @@ posix_spawnattr_setmacpolicyinfo_np(posix_spawnattr_t * __restrict attr,
        return 0;
 }
 
+int posix_spawnattr_setcoalition_np(const posix_spawnattr_t * __restrict attr, uint64_t coalitionid)
+{
+       _posix_spawnattr_t psattr;
+
+       if (attr == NULL || *attr == NULL) {
+               return EINVAL;
+       }
+
+       psattr = *(_posix_spawnattr_t *)attr;
+       psattr->psa_coalitionid = coalitionid;
+
+       return 0;
+}
+
+
+int posix_spawnattr_set_qos_clamp_np(const posix_spawnattr_t * __restrict attr, uint64_t qos_clamp)
+{
+       _posix_spawnattr_t psattr;
+
+       if (attr == NULL || *attr == NULL) {
+               return EINVAL;
+       }
+
+       if (qos_clamp >= POSIX_SPAWN_PROC_CLAMP_LAST)
+               return EINVAL;
+
+       psattr = *(_posix_spawnattr_t *)attr;
+       psattr->psa_qos_clamp = qos_clamp;
+
+       return 0;
+}
+
+int
+posix_spawnattr_get_qos_clamp_np(const posix_spawnattr_t * __restrict attr, uint64_t * __restrict qos_clampp)
+{
+       _posix_spawnattr_t psattr;
+
+       if (attr == NULL || *attr == NULL) {
+               return EINVAL;
+       }
+
+       psattr = *(_posix_spawnattr_t *)attr;
+       *qos_clampp = psattr->psa_qos_clamp;
+
+       return (0);
+}
+
+
 /*
  * posix_spawn
  *