9b0f1823b5
now type sema_t is a structure which can be put in a shared memory area, and multiple processes can operate it concurrently. User can either use mmap(MAP_SHARED) + sem_init(pshared=1) or use sem_open() to initialize a shared semaphore. Named semaphore uses file system and is located in /tmp directory, and its file name is prefixed with 'SEMD', so now it is chroot or jail friendly. In simplist cases, both for named and un-named semaphore, userland code does not have to enter kernel to reduce/increase semaphore's count. The semaphore is designed to be crash-safe, it means even if an application is crashed in the middle of operating semaphore, the semaphore state is still safely recovered by later use, there is no waiter counter maintained by userland code. The main semaphore code is in libc and libthr only has some necessary stubs, this makes it possible that a non-threaded application can use semaphore without linking to thread library. Old semaphore implementation is kept libc to maintain binary compatibility. The kernel ksem API is no longer used in the new implemenation. Discussed on: threads@
181 lines
8.4 KiB
Makefile
181 lines
8.4 KiB
Makefile
# @(#)Makefile.inc 8.6 (Berkeley) 5/4/95
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# $FreeBSD$
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# machine-independent gen sources
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.PATH: ${.CURDIR}/${MACHINE_ARCH}/gen ${.CURDIR}/gen
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SRCS+= __getosreldate.c __xuname.c \
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_once_stub.c _pthread_stubs.c _rand48.c _spinlock_stub.c \
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_thread_init.c \
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alarm.c arc4random.c assert.c basename.c check_utility_compat.c \
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clock.c closedir.c confstr.c \
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crypt.c ctermid.c daemon.c devname.c dirname.c disklabel.c \
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dlfcn.c drand48.c erand48.c err.c errlst.c errno.c \
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exec.c fdevname.c feature_present.c fmtcheck.c fmtmsg.c fnmatch.c \
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fpclassify.c frexp.c fstab.c ftok.c fts.c fts-compat.c ftw.c \
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getbootfile.c getbsize.c \
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getcap.c getcwd.c getdomainname.c getgrent.c getgrouplist.c \
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gethostname.c getloadavg.c getlogin.c getmntinfo.c getnetgrent.c \
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getosreldate.c getpagesize.c getpagesizes.c \
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getpeereid.c getprogname.c getpwent.c getttyent.c \
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getusershell.c getvfsbyname.c glob.c \
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initgroups.c isatty.c isinf.c isnan.c jrand48.c lcong48.c \
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lockf.c lrand48.c mrand48.c nftw.c nice.c \
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nlist.c nrand48.c opendir.c \
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pause.c pmadvise.c popen.c posix_spawn.c \
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psignal.c pw_scan.c pwcache.c \
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raise.c readdir.c readpassphrase.c rewinddir.c \
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scandir.c seed48.c seekdir.c sem.c sem_new.c semctl.c \
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setdomainname.c sethostname.c setjmperr.c setmode.c \
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setproctitle.c setprogname.c siginterrupt.c siglist.c signal.c \
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sigsetops.c sleep.c srand48.c statvfs.c stringlist.c strtofflags.c \
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sysconf.c sysctl.c sysctlbyname.c sysctlnametomib.c \
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syslog.c telldir.c termios.c time.c times.c timezone.c tls.c \
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ttyname.c ttyslot.c ualarm.c ulimit.c uname.c unvis.c \
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usleep.c utime.c valloc.c vis.c wait.c wait3.c waitpid.c \
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wordexp.c
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SYM_MAPS+=${.CURDIR}/gen/Symbol.map
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# machine-dependent gen sources
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.if exists(${.CURDIR}/${MACHINE_ARCH}/gen/Makefile.inc)
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.include "${.CURDIR}/${MACHINE_ARCH}/gen/Makefile.inc"
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.endif
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MAN+= alarm.3 arc4random.3 \
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basename.3 check_utility_compat.3 clock.3 \
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confstr.3 ctermid.3 daemon.3 devname.3 directory.3 dirname.3 \
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dladdr.3 dlinfo.3 dllockinit.3 dlopen.3 \
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err.3 exec.3 \
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feature_present.3 fmtcheck.3 fmtmsg.3 fnmatch.3 fpclassify.3 frexp.3 \
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ftok.3 fts.3 ftw.3 \
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getbootfile.3 getbsize.3 getcap.3 getcontext.3 getcwd.3 \
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getdiskbyname.3 getdomainname.3 getfsent.3 \
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getgrent.3 getgrouplist.3 gethostname.3 getloadavg.3 \
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getmntinfo.3 getnetgrent.3 getosreldate.3 getpagesize.3 \
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getpagesizes.3 getpass.3 getpeereid.3 getprogname.3 getpwent.3 \
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getttyent.3 getusershell.3 getvfsbyname.3 \
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glob.3 initgroups.3 isgreater.3 ldexp.3 lockf.3 makecontext.3 \
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modf.3 \
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nice.3 nlist.3 pause.3 popen.3 \
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posix_spawn.3 posix_spawn_file_actions_addopen.3 \
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posix_spawn_file_actions_init.3 posix_spawnattr_getflags.3 \
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posix_spawnattr_getpgroup.3 posix_spawnattr_getschedparam.3 \
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posix_spawnattr_getschedpolicy.3 posix_spawnattr_init.3 \
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posix_spawnattr_getsigdefault.3 posix_spawnattr_getsigmask.3 \
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psignal.3 pwcache.3 \
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raise.3 rand48.3 readpassphrase.3 rfork_thread.3 \
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scandir.3 sem_destroy.3 sem_getvalue.3 sem_init.3 \
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sem_open.3 sem_post.3 sem_timedwait.3 sem_wait.3 \
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setjmp.3 setmode.3 setproctitle.3 \
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siginterrupt.3 signal.3 sigsetops.3 sleep.3 \
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statvfs.3 stringlist.3 \
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strtofflags.3 sysconf.3 sysctl.3 syslog.3 tcgetpgrp.3 tcgetsid.3 \
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tcsendbreak.3 tcsetattr.3 tcsetpgrp.3 tcsetsid.3 time.3 times.3 \
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timezone.3 ttyname.3 tzset.3 ualarm.3 ucontext.3 ulimit.3 uname.3 \
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unvis.3 usleep.3 utime.3 valloc.3 vis.3 wordexp.3
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MLINKS+=arc4random.3 arc4random_addrandom.3 arc4random.3 arc4random_stir.3 \
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arc4random.3 arc4random_buf.3 arc4random.3 arc4random_uniform.3
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MLINKS+=basename.3 basename_r.3
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MLINKS+=ctermid.3 ctermid_r.3
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MLINKS+=devname.3 devname_r.3
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MLINKS+=devname.3 fdevname.3
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MLINKS+=devname.3 fdevname_r.3
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MLINKS+=directory.3 closedir.3 directory.3 dirfd.3 directory.3 opendir.3 \
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directory.3 fdopendir.3 \
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directory.3 readdir.3 directory.3 readdir_r.3 directory.3 rewinddir.3 \
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directory.3 seekdir.3 directory.3 telldir.3
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MLINKS+=dlopen.3 dlclose.3 dlopen.3 dlerror.3 dlopen.3 dlfunc.3 \
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dlopen.3 dlsym.3
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MLINKS+=err.3 err_set_exit.3 err.3 err_set_file.3 err.3 errc.3 err.3 errx.3 \
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err.3 verr.3 err.3 verrc.3 err.3 verrx.3 err.3 vwarn.3 err.3 vwarnc.3 \
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err.3 vwarnx.3 err.3 warnc.3 err.3 warn.3 err.3 warnx.3
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MLINKS+=exec.3 execl.3 exec.3 execle.3 exec.3 execlp.3 exec.3 exect.3 \
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exec.3 execv.3 exec.3 execvP.3 exec.3 execvp.3
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MLINKS+=fpclassify.3 finite.3 fpclassify.3 finitef.3 \
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fpclassify.3 isfinite.3 fpclassify.3 isinf.3 fpclassify.3 isnan.3 \
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fpclassify.3 isnormal.3
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MLINKS+=frexp.3 frexpf.3 frexp.3 frexpl.3
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MLINKS+=fts.3 fts_children.3 fts.3 fts_close.3 fts.3 fts_open.3 \
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fts.3 fts_read.3 fts.3 fts_set.3 fts.3 fts_set_clientptr.3 \
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fts.3 fts_get_clientptr.3 fts.3 fts_get_stream.3
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MLINKS+=ftw.3 nftw.3
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MLINKS+=getcap.3 cgetcap.3 getcap.3 cgetclose.3 getcap.3 cgetent.3 \
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getcap.3 cgetfirst.3 getcap.3 cgetmatch.3 getcap.3 cgetnext.3 \
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getcap.3 cgetnum.3 getcap.3 cgetset.3 getcap.3 cgetstr.3 \
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getcap.3 cgetustr.3
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MLINKS+=getcwd.3 getwd.3
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MLINKS+=getcontext.3 setcontext.3
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MLINKS+=getdomainname.3 setdomainname.3
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MLINKS+=getfsent.3 endfsent.3 getfsent.3 getfsfile.3 getfsent.3 getfsspec.3 \
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getfsent.3 getfstype.3 getfsent.3 setfsent.3 \
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getfsent.3 setfstab.3 getfsent.3 getfstab.3
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MLINKS+=getgrent.3 endgrent.3 getgrent.3 getgrgid.3 getgrent.3 getgrnam.3 \
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getgrent.3 setgrent.3 getgrent.3 setgroupent.3 \
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getgrent.3 getgrent_r.3 getgrent.3 getgrnam_r.3 getgrent.3 getgrgid_r.3
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MLINKS+=gethostname.3 sethostname.3
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MLINKS+=getnetgrent.3 endnetgrent.3 getnetgrent.3 innetgr.3 \
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getnetgrent.3 setnetgrent.3
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MLINKS+=getprogname.3 setprogname.3
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MLINKS+=getpwent.3 endpwent.3 getpwent.3 getpwnam.3 getpwent.3 getpwuid.3 \
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getpwent.3 setpassent.3 getpwent.3 setpwent.3 getpwent.3 setpwfile.3 \
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getpwent.3 getpwent_r.3 getpwent.3 getpwnam_r.3 \
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getpwent.3 getpwuid_r.3
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MLINKS+=getttyent.3 endttyent.3 getttyent.3 getttynam.3 \
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getttyent.3 isdialuptty.3 getttyent.3 isnettty.3 \
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getttyent.3 setttyent.3
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MLINKS+=getusershell.3 endusershell.3 getusershell.3 setusershell.3
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MLINKS+=glob.3 globfree.3
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MLINKS+=isgreater.3 isgreaterequal.3 isgreater.3 isless.3 \
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isgreater.3 islessequal.3 isgreater.3 islessgreater.3 \
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isgreater.3 isunordered.3
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MLINKS+=ldexp.3 ldexpf.3 ldexp.3 ldexpl.3
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MLINKS+=makecontext.3 swapcontext.3
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MLINKS+=modf.3 modff.3 modf.3 modfl.3
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MLINKS+=popen.3 pclose.3
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MLINKS+=posix_spawn.3 posix_spawnp.3 \
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posix_spawn_file_actions_addopen.3 posix_spawn_file_actions_addclose.3 \
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posix_spawn_file_actions_addopen.3 posix_spawn_file_actions_adddup2.3 \
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posix_spawn_file_actions_init.3 posix_spawn_file_actions_destroy.3 \
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posix_spawnattr_getflags.3 posix_spawnattr_setflags.3 \
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posix_spawnattr_getpgroup.3 posix_spawnattr_setpgroup.3 \
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posix_spawnattr_getschedparam.3 posix_spawnattr_setschedparam.3 \
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posix_spawnattr_getschedpolicy.3 posix_spawnattr_setschedpolicy.3 \
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posix_spawnattr_getsigdefault.3 posix_spawnattr_setsigdefault.3 \
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posix_spawnattr_getsigmask.3 posix_spawnattr_setsigmask.3 \
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posix_spawnattr_init.3 posix_spawnattr_destroy.3
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MLINKS+=psignal.3 strsignal.3 psignal.3 sys_siglist.3 psignal.3 sys_signame.3
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MLINKS+=pwcache.3 group_from_gid.3 pwcache.3 user_from_uid.3
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MLINKS+=rand48.3 _rand48.3 rand48.3 drand48.3 rand48.3 erand48.3 \
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rand48.3 jrand48.3 rand48.3 lcong48.3 rand48.3 lrand48.3 \
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rand48.3 mrand48.3 rand48.3 nrand48.3 rand48.3 seed48.3 \
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rand48.3 srand48.3
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MLINKS+=scandir.3 alphasort.3
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MLINKS+=sem_open.3 sem_close.3 sem_open.3 sem_unlink.3
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MLINKS+=sem_wait.3 sem_trywait.3
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MLINKS+=setjmp.3 _longjmp.3 setjmp.3 _setjmp.3 setjmp.3 longjmp.3 \
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setjmp.3 longjmperr.3 setjmp.3 longjmperror.3 \
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setjmp.3 siglongjmp.3 setjmp.3 sigsetjmp.3
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MLINKS+=setmode.3 getmode.3
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MLINKS+=sigsetops.3 sigaddset.3 sigsetops.3 sigdelset.3 \
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sigsetops.3 sigemptyset.3 sigsetops.3 sigfillset.3 \
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sigsetops.3 sigismember.3
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MLINKS+=statvfs.3 fstatvfs.3
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MLINKS+=stringlist.3 sl_add.3 stringlist.3 sl_find.3 \
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stringlist.3 sl_free.3 stringlist.3 sl_init.3
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MLINKS+=strtofflags.3 fflagstostr.3
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MLINKS+=sysctl.3 sysctlbyname.3 sysctl.3 sysctlnametomib.3
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MLINKS+=syslog.3 closelog.3 syslog.3 openlog.3 syslog.3 setlogmask.3 \
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syslog.3 vsyslog.3
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MLINKS+=tcsendbreak.3 tcdrain.3 tcsendbreak.3 tcflow.3 tcsendbreak.3 tcflush.3
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MLINKS+=tcsetattr.3 cfgetispeed.3 tcsetattr.3 cfgetospeed.3 \
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tcsetattr.3 cfmakeraw.3 tcsetattr.3 cfsetispeed.3 \
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tcsetattr.3 cfsetospeed.3 tcsetattr.3 cfsetspeed.3 \
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tcsetattr.3 tcgetattr.3
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MLINKS+=ttyname.3 isatty.3 ttyname.3 ttyname_r.3 ttyname.3 ttyslot.3
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MLINKS+=tzset.3 tzsetwall.3
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MLINKS+=unvis.3 strunvis.3 unvis.3 strunvisx.3
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MLINKS+=vis.3 strvis.3 vis.3 strvisx.3
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MLINKS+=wordexp.3 wordfree.3
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