diff options
Diffstat (limited to 'include/sys')
| -rw-r--r-- | include/sys/cdefs.h | 24 | ||||
| -rw-r--r-- | include/sys/wait.h | 18 |
2 files changed, 33 insertions, 9 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h index 6f81b6a7c..4da981f9a 100644 --- a/include/sys/cdefs.h +++ b/include/sys/cdefs.h @@ -37,20 +37,33 @@ #ifdef __GNUC__ +/* All functions, except those with callbacks or those that + synchronize memory, are leaf functions. */ +# if __GNUC_PREREQ (4, 6) && !defined _LIBC +# define __LEAF , __leaf__ +# define __LEAF_ATTR __attribute__ ((__leaf__)) +# else +# define __LEAF +# define __LEAF_ATTR +# endif + /* GCC can always grok prototypes. For C++ programs we add throw() to help it optimize the function calls. But this works only with gcc 2.8.x and egcs. For gcc 3.2 and up we even mark C functions as non-throwing using a function attribute since programs can use the -fexceptions options for C code as well. */ # if !defined __cplusplus && __GNUC_PREREQ (3, 3) -# define __THROW __attribute__ ((__nothrow__)) -# define __NTH(fct) __attribute__ ((__nothrow__)) fct +# define __THROW __attribute__ ((__nothrow__ __LEAF)) +# define __THROWNL __attribute__ ((__nothrow__)) +# define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct # else # if defined __cplusplus && __GNUC_PREREQ (2,8) # define __THROW throw () -# define __NTH(fct) fct throw () +# define __THROWNL throw () +# define __NTH(fct) __LEAF_ATTR fct throw () # else # define __THROW +# define __THROWNL # define __NTH(fct) fct # endif # endif @@ -60,6 +73,7 @@ # define __inline /* No inline functions. */ # define __THROW +# define __THROWNL # define __NTH(fct) fct #endif /* GCC. */ @@ -165,9 +179,13 @@ # ifdef __cplusplus # define __REDIRECT_NTH(name, proto, alias) \ name proto __THROW __asm__ (__ASMNAME (#alias)) +# define __REDIRECT_NTHNL(name, proto, alias) \ + name proto __THROWNL __asm__ (__ASMNAME (#alias)) # else # define __REDIRECT_NTH(name, proto, alias) \ name proto __asm__ (__ASMNAME (#alias)) __THROW +# define __REDIRECT_NTHNL(name, proto, alias) \ + name proto __asm__ (__ASMNAME (#alias)) __THROWNL # endif # define __ASMNAME(cname) __ASMNAME2 (__USER_LABEL_PREFIX__, cname) # define __ASMNAME2(prefix, cname) __STRING (prefix) cname diff --git a/include/sys/wait.h b/include/sys/wait.h index b3c2b973a..f7a420b93 100644 --- a/include/sys/wait.h +++ b/include/sys/wait.h @@ -28,10 +28,9 @@ __BEGIN_DECLS #include <signal.h> -#include <sys/resource.h> /* These macros could also be defined in <stdlib.h>. */ -#if !defined _STDLIB_H || !defined __USE_XOPEN +#if !defined _STDLIB_H || (!defined __USE_XOPEN && !defined __USE_XOPEN2K8) /* This will define the `W*' macros for the flag bits to `waitpid', `wait3', and `wait4'. */ # include <bits/waitflags.h> @@ -97,7 +96,7 @@ typedef union #endif /* The following values are used by the `waitid' function. */ -#if defined __USE_SVID || defined __USE_XOPEN +#if defined __USE_SVID || defined __USE_XOPEN || defined __USE_XOPEN2K8 typedef enum { P_ALL, /* Wait for any child. */ @@ -141,9 +140,15 @@ extern __typeof(waitpid) __waitpid_nocancel attribute_hidden; libc_hidden_proto(waitpid) #endif -#if defined __USE_SVID || defined __USE_XOPEN +#if defined __USE_SVID || defined __USE_XOPEN || defined __USE_XOPEN2K8 +# ifndef __id_t_defined +# include <bits/types.h> + typedef __id_t id_t; +# define __id_t_defined +# endif # define __need_siginfo_t # include <bits/siginfo.h> + /* Wait for a childing matching IDTYPE and ID to change the status and place appropriate information in *INFOP. If IDTYPE is P_PID, match any process whose process ID is ID. @@ -160,19 +165,20 @@ extern int waitid (idtype_t __idtype, __id_t __id, siginfo_t *__infop, #endif #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED +struct rusage; /* Wait for a child to exit. When one does, put its status in *STAT_LOC and return its process ID. For errors return (pid_t) -1. If USAGE is not nil, store information about the child's resource usage there. If the WUNTRACED bit is set in OPTIONS, return status for stopped children; otherwise don't. */ extern __pid_t wait3 (__WAIT_STATUS __stat_loc, int __options, - struct rusage * __usage) __THROW; + struct rusage * __usage) __THROWNL; #endif #ifdef __USE_BSD /* PID is like waitpid. Other args are like wait3. */ extern __pid_t wait4 (__pid_t __pid, __WAIT_STATUS __stat_loc, int __options, - struct rusage *__usage) __THROW; + struct rusage *__usage) __THROWNL; #endif /* Use BSD. */ #ifdef _LIBC |