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| author | Perl 5 Porters <perl5-porters@africa.nicoh.com> | 1996-08-22 02:15:39 +0000 |
|---|---|---|
| committer | Andy Dougherty <doughera@lafcol.lafayette.edu> | 1996-08-22 02:15:39 +0000 |
| commit | 76c323317ad9a796473522e3835ea0540e094a92 (patch) | |
| tree | 954fa9bb0ba332e20c22ffedf4e8f391f6b16297 /pp_sys.c | |
| parent | 236988e4d25eed85df605c5aa84163a8cd5d390d (diff) | |
| download | perl-76c323317ad9a796473522e3835ea0540e094a92.tar.gz | |
perl 5.003_03: pp_sys.c
Include <unistd.h>, <sys/wait.h>, and <sys/resource.h>.
(The latter two are especially for NetBSD.)
Don't assume sys/time.h and sys/select.h can't coexist.
Use Pause macro.
Diffstat (limited to 'pp_sys.c')
| -rw-r--r-- | pp_sys.c | 32 |
1 files changed, 15 insertions, 17 deletions
@@ -17,14 +17,17 @@ #include "EXTERN.h" #include "perl.h" -/* XXX Omit this -- it causes too much grief on mixed systems. - Next time, I should force broken systems to unset i_unistd in - hint files. -*/ -#if 0 -# ifdef I_UNISTD -# include <unistd.h> -# endif +/* XXX If this causes problems, set i_unistd=undef in the hint file. */ +#ifdef I_UNISTD +# include <unistd.h> +#endif + +#ifdef I_SYS_WAIT +# include <sys/wait.h> +#endif + +#ifdef I_SYS_RESOURCE +# include <sys/resource.h> #endif /* Put this after #includes because fork and vfork prototypes may @@ -46,11 +49,9 @@ #ifdef HAS_SELECT #ifdef I_SYS_SELECT -#ifndef I_SYS_TIME #include <sys/select.h> #endif #endif -#endif #ifdef HOST_NOT_FOUND extern int h_errno; @@ -3169,7 +3170,7 @@ PP(pp_sleep) (void)time(&lasttime); if (MAXARG < 1) - pause(); + Pause(); else { duration = POPi; sleep((unsigned int)duration); @@ -4046,12 +4047,9 @@ PP(pp_syscall) locking module. */ -/* We might need <unistd.h> because it sometimes defines the lockf() - constants. Unfortunately, <unistd.h> causes troubles on some mixed - (BSD/POSIX) systems, such as SunOS 4.1.3. We could just try including - <unistd.h> here in this part of the file, but that might - conflict with various other #defines and includes above, such as - #define vfork fork above. +/* The lockf() constants might have been defined in <unistd.h>. + Unfortunately, <unistd.h> causes troubles on some mixed + (BSD/POSIX) systems, such as SunOS 4.1.3. Further, the lockf() constants aren't POSIX, so they might not be visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll |