diff options
Diffstat (limited to 'gnu/usr.bin/perl/dist/Time-HiRes/HiRes.xs')
| -rw-r--r-- | gnu/usr.bin/perl/dist/Time-HiRes/HiRes.xs | 128 |
1 files changed, 119 insertions, 9 deletions
diff --git a/gnu/usr.bin/perl/dist/Time-HiRes/HiRes.xs b/gnu/usr.bin/perl/dist/Time-HiRes/HiRes.xs index 38ca0dc3204..3a5c7a1d63c 100644 --- a/gnu/usr.bin/perl/dist/Time-HiRes/HiRes.xs +++ b/gnu/usr.bin/perl/dist/Time-HiRes/HiRes.xs @@ -747,21 +747,33 @@ hrstatns(UV *atime_nsec, UV *mtime_nsec, UV *ctime_nsec) #endif /* !TIME_HIRES_STAT */ } -/* Until Apple implements clock_gettime() (ditto clock_getres()) - * we will emulate it using Mach interfaces. */ -#if defined(PERL_DARWIN) && !defined(CLOCK_REALTIME) - -# include <mach/mach_time.h> - +/* Until Apple implements clock_gettime() + * (ditto clock_getres() and clock_nanosleep()) + * we will emulate them using the Mach kernel interfaces. */ +#if defined(PERL_DARWIN) && \ + (defined(TIME_HIRES_CLOCK_GETTIME_EMULATION) || \ + defined(TIME_HIRES_CLOCK_GETRES_EMULATION) || \ + defined(TIME_HIRES_CLOCK_NANOSLEEP_EMULATION)) + +#ifndef CLOCK_REALTIME # define CLOCK_REALTIME 0x01 # define CLOCK_MONOTONIC 0x02 +#endif +#ifndef TIMER_ABSTIME # define TIMER_ABSTIME 0x01 +#endif #ifdef USE_ITHREADS +# define PERL_DARWIN_MUTEX +#endif + +#ifdef PERL_DARWIN_MUTEX STATIC perl_mutex darwin_time_mutex; #endif +#include <mach/mach_time.h> + static uint64_t absolute_time_init; static mach_timebase_info_data_t timebase_info; static struct timespec timespec_init; @@ -769,7 +781,7 @@ static struct timespec timespec_init; static int darwin_time_init() { struct timeval tv; int success = 1; -#ifdef USE_ITHREADS +#ifdef PERL_DARWIN_MUTEX MUTEX_LOCK(&darwin_time_mutex); #endif if (absolute_time_init == 0) { @@ -784,12 +796,13 @@ static int darwin_time_init() { } } } -#ifdef USE_ITHREADS +#ifdef PERL_DARWIN_MUTEX MUTEX_UNLOCK(&darwin_time_mutex); #endif return success; } +#ifdef TIME_HIRES_CLOCK_GETTIME_EMULATION static int clock_gettime(int clock_id, struct timespec *ts) { if (darwin_time_init() && timebase_info.denom) { switch (clock_id) { @@ -821,7 +834,9 @@ static int clock_gettime(int clock_id, struct timespec *ts) { SETERRNO(EINVAL, LIB_INVARG); return -1; } +#endif /* TIME_HIRES_CLOCK_GETTIME_EMULATION */ +#ifdef TIME_HIRES_CLOCK_GETRES_EMULATION static int clock_getres(int clock_id, struct timespec *ts) { if (darwin_time_init() && timebase_info.denom) { switch (clock_id) { @@ -841,7 +856,9 @@ static int clock_getres(int clock_id, struct timespec *ts) { SETERRNO(EINVAL, LIB_INVARG); return -1; } +#endif /* TIME_HIRES_CLOCK_GETRES_EMULATION */ +#ifdef TIME_HIRES_CLOCK_NANOSLEEP_EMULATION static int clock_nanosleep(int clock_id, int flags, const struct timespec *rqtp, struct timespec *rmtp) { @@ -879,6 +896,7 @@ static int clock_nanosleep(int clock_id, int flags, SETERRNO(EINVAL, LIB_INVARG); return -1; } +#endif /* TIME_HIRES_CLOCK_NANOSLEEP_EMULATION */ #endif /* PERL_DARWIN */ @@ -921,6 +939,22 @@ nsec_without_unslept(struct timespec *sleepfor, #endif +/* In case Perl and/or Devel::PPPort are too old, minimally emulate + * IS_SAFE_PATHNAME() (which looks for zero bytes in the pathname). */ +#ifndef IS_SAFE_PATHNAME +#if PERL_VERSION >= 12 /* Perl_ck_warner is 5.10.0 -> */ +#ifdef WARN_SYSCALLS +#define WARNEMUCAT WARN_SYSCALLS /* 5.22.0 -> */ +#else +#define WARNEMUCAT WARN_MISC +#endif +#define WARNEMU(opname) Perl_ck_warner(aTHX_ packWARN(WARNEMUCAT), "Invalid \\0 character in pathname for %s",opname) +#else +#define WARNEMU(opname) Perl_warn(aTHX_ "Invalid \\0 character in pathname for %s",opname) +#endif +#define IS_SAFE_PATHNAME(pv, len, opname) (((len)>1)&&memchr((pv), 0, (len)-1)?(SETERRNO(ENOENT, LIB_INVARG),WARNEMU(opname),FALSE):(TRUE)) +#endif + MODULE = Time::HiRes PACKAGE = Time::HiRes PROTOTYPES: ENABLE @@ -941,7 +975,7 @@ BOOT: # endif #endif #if defined(PERL_DARWIN) -# ifdef USE_ITHREADS +# if defined(USE_ITHREADS) && defined(PERL_DARWIN_MUTEX) MUTEX_INIT(&darwin_time_mutex); # endif #endif @@ -1317,6 +1351,82 @@ getitimer(which) #endif /* #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) */ +#if defined(TIME_HIRES_UTIME) + +I32 +utime(accessed, modified, ...) +PROTOTYPE: $$@ + PREINIT: + SV* accessed; + SV* modified; + SV* file; + + struct timespec utbuf[2]; + struct timespec *utbufp = utbuf; + int tot; + + CODE: + accessed = ST(0); + modified = ST(1); + items -= 2; + tot = 0; + + if ( accessed == &PL_sv_undef && modified == &PL_sv_undef ) + utbufp = NULL; + else { + if (SvNV(accessed) < 0.0 || SvNV(modified) < 0.0) + croak("Time::HiRes::utime(%"NVgf", %"NVgf"): negative time not invented yet", SvNV(accessed), SvNV(modified)); + Zero(&utbuf, sizeof utbuf, char); + utbuf[0].tv_sec = (Time_t)SvNV(accessed); /* time accessed */ + utbuf[0].tv_nsec = (long)( ( SvNV(accessed) - utbuf[0].tv_sec ) * 1e9 ); + utbuf[1].tv_sec = (Time_t)SvNV(modified); /* time modified */ + utbuf[1].tv_nsec = (long)( ( SvNV(modified) - utbuf[1].tv_sec ) * 1e9 ); + } + + while (items > 0) { + file = POPs; items--; + + if (SvROK(file) && GvIO(SvRV(file)) && IoIFP(sv_2io(SvRV(file)))) { + int fd = PerlIO_fileno(IoIFP(sv_2io(file))); + if (fd < 0) + SETERRNO(EBADF,RMS_IFI); + else +#ifdef HAS_FUTIMENS + if (futimens(fd, utbufp) == 0) + tot++; +#else /* HAS_FUTIMES */ + croak("futimens unimplemented in this platform"); +#endif /* HAS_FUTIMES */ + } + else { +#ifdef HAS_UTIMENSAT + STRLEN len; + char * name = SvPV(file, len); + if (IS_SAFE_PATHNAME(name, len, "utime") && + utimensat(AT_FDCWD, name, utbufp, 0) == 0) + tot++; +#else /* HAS_UTIMENSAT */ + croak("utimensat unimplemented in this platform"); +#endif /* HAS_UTIMENSAT */ + } + } /* while items */ + RETVAL = tot; + + OUTPUT: + RETVAL + +#else /* #if defined(TIME_HIRES_UTIME) */ + +I32 +utime(accessed, modified, ...) + CODE: + croak("Time::HiRes::utime(): unimplemented in this platform"); + RETVAL = 0; + OUTPUT: + RETVAL + +#endif /* #if defined(TIME_HIRES_UTIME) */ + #if defined(TIME_HIRES_CLOCK_GETTIME) NV |