PNG  IHDR pHYs   OiCCPPhotoshop ICC profilexڝSgTS=BKKoR RB&*! J!QEEȠQ, !{kּ> H3Q5 B.@ $pd!s#~<<+"x M0B\t8K@zB@F&S`cbP-`'{[! eDh;VEX0fK9-0IWfH  0Q){`##xFW<+*x<$9E[-qWW.(I+6aa@.y24x6_-"bbϫp@t~,/;m%h^ uf@Wp~<5j>{-]cK'Xto(hw?G%fIq^D$.Tʳ?D*A, `6B$BB dr`)B(Ͱ*`/@4Qhp.U=pa( Aa!ڈbX#!H$ ɈQ"K5H1RT UH=r9\F;2G1Q= C7F dt1r=6Ыhڏ>C03l0.B8, c˱" VcϱwE 6wB aAHXLXNH $4 7 Q'"K&b21XH,#/{C7$C2'ITFnR#,4H#dk9, +ȅ3![ b@qS(RjJ4e2AURݨT5ZBRQ4u9̓IKhhitݕNWGw Ljg(gwLӋT071oUX**| J&*/Tު UUT^S}FU3S ԖUPSSg;goT?~YYLOCQ_ cx,!k u5&|v*=9C3J3WRf?qtN (~))4L1e\kXHQG6EYAJ'\'GgSSݧ M=:.kDwn^Loy}/TmG X $ <5qo</QC]@Caaᄑ.ȽJtq]zۯ6iܟ4)Y3sCQ? 0k߬~OCOg#/c/Wװwa>>r><72Y_7ȷOo_C#dz%gA[z|!?:eAAA!h쐭!ΑiP~aa~ 'W?pX15wCsDDDޛg1O9-J5*>.j<74?.fYXXIlK9.*6nl {/]py.,:@LN8A*%w% yg"/6шC\*NH*Mz쑼5y$3,幄'L Lݛ:v m2=:1qB!Mggfvˬen/kY- BTZ(*geWf͉9+̳ې7ᒶKW-X潬j9(xoʿܔĹdff-[n ڴ VE/(ۻCɾUUMfeI?m]Nmq#׹=TR+Gw- 6 U#pDy  :v{vg/jBFS[b[O>zG499?rCd&ˮ/~јѡ򗓿m|x31^VwwO| (hSЧc3- cHRMz%u0`:o_F@8N ' p @8N@8}' p '#@8N@8N pQ9p!i~}|6-ӪG` VP.@*j>[ K^<֐Z]@8N'KQ<Q(`s" 'hgpKB`R@Dqj '  'P$a ( `D$Na L?u80e J,K˷NI'0eݷ(NI'؀ 2ipIIKp`:O'`ʤxB8Ѥx Ѥx $ $P6 :vRNb 'p,>NB 'P]-->P T+*^h& p '‰a ‰ (ĵt#u33;Nt̵'ޯ; [3W ~]0KH1q@8]O2]3*̧7# *p>us p _6]/}-4|t'|Smx= DoʾM×M_8!)6lq':l7!|4} '\ne t!=hnLn (~Dn\+‰_4k)0e@OhZ`F `.m1} 'vp{F`ON7Srx 'D˸nV`><;yMx!IS钦OM)Ե٥x 'DSD6bS8!" ODz#R >S8!7ّxEh0m$MIPHi$IvS8IN$I p$O8I,sk&I)$IN$Hi$I^Ah.p$MIN$IR8I·N "IF9Ah0m$MIN$IR8IN$I 3jIU;kO$ɳN$+ q.x* tEXtComment

Viewing File: /usr/include/spawn.h

/* Definitions for POSIX spawn interface.
   Copyright (C) 2000-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef	_SPAWN_H
#define	_SPAWN_H	1

#include <features.h>
#include <sched.h>
#include <sys/types.h>
#include <bits/types/sigset_t.h>


/* Data structure to contain attributes for thread creation.  */
typedef struct
{
  short int __flags;
  pid_t __pgrp;
  sigset_t __sd;
  sigset_t __ss;
  struct sched_param __sp;
  int __policy;
  int __pad[16];
} posix_spawnattr_t;


/* Data structure to contain information about the actions to be
   performed in the new process with respect to file descriptors.  */
typedef struct
{
  int __allocated;
  int __used;
  struct __spawn_action *__actions;
  int __pad[16];
} posix_spawn_file_actions_t;


/* Flags to be set in the `posix_spawnattr_t'.  */
#define POSIX_SPAWN_RESETIDS		0x01
#define POSIX_SPAWN_SETPGROUP		0x02
#define POSIX_SPAWN_SETSIGDEF		0x04
#define POSIX_SPAWN_SETSIGMASK		0x08
#define POSIX_SPAWN_SETSCHEDPARAM	0x10
#define POSIX_SPAWN_SETSCHEDULER	0x20
#ifdef __USE_GNU
# define POSIX_SPAWN_USEVFORK		0x40
# define POSIX_SPAWN_SETSID		0x80
#endif


__BEGIN_DECLS

/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
   Before running the process perform the actions described in FILE-ACTIONS.

   This function is a possible cancellation point and therefore not
   marked with __THROW. */
extern int posix_spawn (pid_t *__restrict __pid,
			const char *__restrict __path,
			const posix_spawn_file_actions_t *__restrict
			__file_actions,
			const posix_spawnattr_t *__restrict __attrp,
			char *const __argv[__restrict_arr],
			char *const __envp[__restrict_arr])
    __nonnull ((2, 5));

/* Similar to `posix_spawn' but search for FILE in the PATH.

   This function is a possible cancellation point and therefore not
   marked with __THROW.  */
extern int posix_spawnp (pid_t *__pid, const char *__file,
			 const posix_spawn_file_actions_t *__file_actions,
			 const posix_spawnattr_t *__attrp,
			 char *const __argv[], char *const __envp[])
    __nonnull ((2, 5));


/* Initialize data structure with attributes for `spawn' to default values.  */
extern int posix_spawnattr_init (posix_spawnattr_t *__attr)
    __THROW __nonnull ((1));

/* Free resources associated with ATTR.  */
extern int posix_spawnattr_destroy (posix_spawnattr_t *__attr)
    __THROW __nonnull ((1));

/* Store signal mask for signals with default handling from ATTR in
   SIGDEFAULT.  */
extern int posix_spawnattr_getsigdefault (const posix_spawnattr_t *
					  __restrict __attr,
					  sigset_t *__restrict __sigdefault)
     __THROW __nonnull ((1, 2));

/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT.  */
extern int posix_spawnattr_setsigdefault (posix_spawnattr_t *__restrict __attr,
					  const sigset_t *__restrict
					  __sigdefault)
     __THROW __nonnull ((1, 2));

/* Store signal mask for the new process from ATTR in SIGMASK.  */
extern int posix_spawnattr_getsigmask (const posix_spawnattr_t *__restrict
				       __attr,
				       sigset_t *__restrict __sigmask)
    __THROW __nonnull ((1, 2));

/* Set signal mask for the new process in ATTR to SIGMASK.  */
extern int posix_spawnattr_setsigmask (posix_spawnattr_t *__restrict __attr,
				       const sigset_t *__restrict __sigmask)
     __THROW __nonnull ((1, 2));

/* Get flag word from the attribute structure.  */
extern int posix_spawnattr_getflags (const posix_spawnattr_t *__restrict
				     __attr,
				     short int *__restrict __flags)
     __THROW __nonnull ((1, 2));

/* Store flags in the attribute structure.  */
extern int posix_spawnattr_setflags (posix_spawnattr_t *_attr,
				     short int __flags)
     __THROW __nonnull ((1));

/* Get process group ID from the attribute structure.  */
extern int posix_spawnattr_getpgroup (const posix_spawnattr_t *__restrict
				      __attr, pid_t *__restrict __pgroup)
     __THROW __nonnull ((1, 2));

/* Store process group ID in the attribute structure.  */
extern int posix_spawnattr_setpgroup (posix_spawnattr_t *__attr,
				      pid_t __pgroup)
     __THROW __nonnull ((1));

/* Get scheduling policy from the attribute structure.  */
extern int posix_spawnattr_getschedpolicy (const posix_spawnattr_t *
					   __restrict __attr,
					   int *__restrict __schedpolicy)
     __THROW __nonnull ((1, 2));

/* Store scheduling policy in the attribute structure.  */
extern int posix_spawnattr_setschedpolicy (posix_spawnattr_t *__attr,
					   int __schedpolicy)
     __THROW __nonnull ((1));

/* Get scheduling parameters from the attribute structure.  */
extern int posix_spawnattr_getschedparam (const posix_spawnattr_t *
					  __restrict __attr,
					  struct sched_param *__restrict
					  __schedparam)
     __THROW __nonnull ((1, 2));

/* Store scheduling parameters in the attribute structure.  */
extern int posix_spawnattr_setschedparam (posix_spawnattr_t *__restrict __attr,
					  const struct sched_param *
					  __restrict __schedparam)
     __THROW __nonnull ((1, 2));


/* Initialize data structure for file attribute for `spawn' call.  */
extern int posix_spawn_file_actions_init (posix_spawn_file_actions_t *
					  __file_actions)
     __THROW __nonnull ((1));

/* Free resources associated with FILE-ACTIONS.  */
extern int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *
					     __file_actions)
     __THROW __nonnull ((1));

/* Add an action to FILE-ACTIONS which tells the implementation to call
   `open' for the given file during the `spawn' call.  */
extern int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *
					     __restrict __file_actions,
					     int __fd,
					     const char *__restrict __path,
					     int __oflag, mode_t __mode)
     __THROW __nonnull ((1, 3));

/* Add an action to FILE-ACTIONS which tells the implementation to call
   `close' for the given file descriptor during the `spawn' call.  */
extern int posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *
					      __file_actions, int __fd)
     __THROW __nonnull ((1));

/* Add an action to FILE-ACTIONS which tells the implementation to call
   `dup2' for the given file descriptors during the `spawn' call.  */
extern int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *
					     __file_actions,
					     int __fd, int __newfd)
     __THROW __nonnull ((1));

#ifdef __USE_GNU
/* Add an action changing the directory to PATH during spawn.  This
   affects the subsequent file actions.  */
extern int posix_spawn_file_actions_addchdir_np (posix_spawn_file_actions_t *
						 __restrict __actions,
						 const char *__restrict __path)
     __THROW __nonnull ((1, 2));

/* Add an action changing the directory to FD during spawn.  This
   affects the subsequent file actions.  FD is not duplicated and must
   be open when the file action is executed.  */
extern int posix_spawn_file_actions_addfchdir_np (posix_spawn_file_actions_t *,
						  int __fd)
     __THROW __nonnull ((1));

/* Add an action to close all file descriptor greater than or equal to FROM
   during spawn.  This affects the subsequent file actions.  */
extern int
posix_spawn_file_actions_addclosefrom_np (posix_spawn_file_actions_t *,
					  int __from)
     __THROW __nonnull ((1));

#endif

__END_DECLS

#endif /* spawn.h */
Back to Directory=ceiIENDB`