[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: posix_spawn on AIX
From: |
Bruno Haible |
Subject: |
Re: posix_spawn on AIX |
Date: |
Sun, 5 Oct 2008 13:51:30 +0200 |
User-agent: |
KMail/1.5.4 |
> 2008-10-04 Bruno Haible <address@hidden>
>
> * lib/spawn.in.h (POSIX_SPAWN_*): Undefine before redefining.
> Reported by Rainer Tammer <address@hidden>.
It may be wiser to reuse the values of these macros when defined by the system.
Applied this:
2008-10-05 Bruno Haible <address@hidden>
* lib/spawn.in.h (POSIX_SPAWN_*): Use the system's values, rather than
overriding them by ours.
(POSIX_SPAWN_USEVFORK): Use the next free bit position.
*** lib/spawn.in.h.orig 2008-10-05 13:37:46.000000000 +0200
--- lib/spawn.in.h 2008-10-05 13:36:41.000000000 +0200
***************
*** 97,117 ****
/* Flags to be set in the `posix_spawnattr_t'. */
! #undef POSIX_SPAWN_RESETIDS
! #define POSIX_SPAWN_RESETIDS 0x01
! #undef POSIX_SPAWN_SETPGROUP
! #define POSIX_SPAWN_SETPGROUP 0x02
! #undef POSIX_SPAWN_SETSIGDEF
! #define POSIX_SPAWN_SETSIGDEF 0x04
! #undef POSIX_SPAWN_SETSIGMASK
! #define POSIX_SPAWN_SETSIGMASK 0x08
! #undef POSIX_SPAWN_SETSCHEDPARAM
! #define POSIX_SPAWN_SETSCHEDPARAM 0x10
! #undef POSIX_SPAWN_SETSCHEDULER
! #define POSIX_SPAWN_SETSCHEDULER 0x20
! /* A GNU extension. */
! #undef POSIX_SPAWN_USEVFORK
! #define POSIX_SPAWN_USEVFORK 0x40
#ifdef __cplusplus
--- 97,128 ----
/* Flags to be set in the `posix_spawnattr_t'. */
! #if @REPLACE_POSIX_SPAWN@
! /* Use the values from the system, for better compatibility. */
! /* But this implementation does not support AIX extensions. */
! # undef POSIX_SPAWN_FORK_HANDLERS
! #else
! # 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
! #endif
! /* A GNU extension. Use the next free bit position. */
! #define POSIX_SPAWN_USEVFORK \
! ((POSIX_SPAWN_RESETIDS | (POSIX_SPAWN_RESETIDS - 1) \
! | POSIX_SPAWN_SETPGROUP | (POSIX_SPAWN_SETPGROUP - 1) \
! | POSIX_SPAWN_SETSIGDEF | (POSIX_SPAWN_SETSIGDEF - 1) \
! | POSIX_SPAWN_SETSIGMASK | (POSIX_SPAWN_SETSIGMASK - 1) \
! | POSIX_SPAWN_SETSCHEDPARAM | (POSIX_SPAWN_SETSCHEDPARAM - 1) \
! | POSIX_SPAWN_SETSCHEDULER | (POSIX_SPAWN_SETSCHEDULER - 1)) \
! + 1)
! typedef int verify_POSIX_SPAWN_USEVFORK_no_overlap
! [2 * (((POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP
! | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK
! | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER)
! & POSIX_SPAWN_USEVFORK) == 0) - 1];
#ifdef __cplusplus