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posix_spawnattr_setspecialport_np(3) [osx man page]

POSIX_SPAWNATTR_SETSPECIALPORT_NP(3)			   BSD Library Functions Manual 		      POSIX_SPAWNATTR_SETSPECIALPORT_NP(3)

NAME
posix_spawnattr_setspecialport_np posix_spawnattr_setexceptionports_np -- set special ports on a posix_spawnattr_t SYNOPSIS
#include <spawn.h> int posix_spawnattr_setspecialport_np(posix_spawnattr_t *attr, mach_port_t new_port, int which); int posix_spawnattr_setexceptionports_np(posix_spawnattr_t *attr, exception_mask_t mask, mach_port_t new_port, exception_behavior_t behavior, thread_state_flavor_t flavor); IMPORTANT
These functions represent an Apple extension to posix_spawn(2) and posix_spawnp(2), and as such should not be used by programs intending their code to be portable to other platforms. DESCRIPTION
The posix_spawnattr_setspecialport_np() function sets a new value for a Mach special port into the value referenced by attr to the port ref- erenced by new_port for a port value of which, as if the new process had called task_set_special_port(). The posix_spawnattr_setexceptionports_np() function sets the Mach port to new_port for a number of exception ports represented by the bit- field mask, and sets the new default behavior and default flavor, as if the new process had called task_set_exception_ports(). RETURN VALUES
On success, these functions return 0; on failure they return an error number from <errno.h>. ERRORS
These functions may fail if: [EINVAL] The value specified by attr is invalid. [EINVAL] The value of attr is invalid. [ENOMEM] Insufficient resources exist to set the ports. SEE ALSO
posix_spawn(2), posix_spawnp(2), posix_spawnattr_init(3), posix_spawnattr_destroy(3) STANDARDS
Nonstandard HISTORY
The posix_spawnattr_setspecialport_np() and posix_spawnattr_setexceptionports_np() function calls appeared in Mac OS X. Mac OS X August 22, 2007 Mac OS X

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POSIX_SPAWNATTR_INIT(3) 				   BSD Library Functions Manual 				   POSIX_SPAWNATTR_INIT(3)

NAME
posix_spawnattr_init posix_spawnattr_destroy -- initialize or destroy a spawn attributes object SYNOPSIS
#include <spawn.h> int posix_spawnattr_init(posix_spawnattr_t *attr); int posix_spawnattr_destroy(posix_spawnattr_t *attr); DESCRIPTION
The posix_spawnattr_init() function initializes the object referenced by attr, to an empty set of spawn attributes for subsequent use in a call to posix_spawn(2) or posix_spawnp(2). A posix_spawnattr_t object is an opaque type that is used to collect set of spawn attributes specified by calls to posix_spawnattr_setflags(3), posix_spawnattr_setpgroup(3), posix_spawnattr_setsigdefault(3), posix_spawnattr_setsigmask(3), posix_spawnattr_setbinpref_np(3), posix_spawnattr_setspecialport_np(3), or posix_spawnattr_setexceptionports_np(3) such that once the spawn operation is complete, the child process will have a different set of attributes than the parent. The order of these operations is unspeci- fied and may change; programs should not depend on their ordering. The posix_spawnattr_destroy() function destroys the object referenced by attr which was previously intialized by posix_spawnattr_init(), returning any resources obtained at the time of initialization to the system for subsequent reuse. A posix_spawnattr_t may be reinitialized after having been destroyed, but must not be reused after destruction, unless it has been reinitialized. RETURN VALUES
On success, these functions return 0; on failure they return an error number from <errno.h>. ERRORS
The posix_spawnattr_init() and posix_spawnattr_destroy() functions will fail and return an error if: [ENOMEM] Insufficient resources to initialize the posix_spawnattr_t object. [EINVAL] The posix_spawnattr_t being destroyed is invalid. SEE ALSO
posix_spawn(2), posix_spawnp(2), posix_spawnattr_setflags(3), posix_spawnattr_setpgroup(3), posix_spawnattr_setsigdefault(3), posix_spawnattr_setsigmask(3), posix_spawnattr_setbinpref_np(3), posix_spawnattr_setspecialport_np(3), posix_spawnattr_setexceptionports_np(3) STANDARDS
Version 3 of the Single UNIX Specification (``SUSv3'') [SPN] HISTORY
The posix_spawn() and posix_spawnp() function calls appeared in Version 3 of the Single UNIX Specification (``SUSv3'') [SPN]. Mac OS X August 22, 2007 Mac OS X
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