52ec4df9e8
functions to be used by the dynamic linker. This can be called by threads packages at start-up time. I will add the call to libc_r soon. Also add a default locking method that is used up until dllockinit() is called. The default method works by blocking SIGVTALRM, SIGPROF, and SIGALRM in critical sections. It is based on the observation that most user-space threads packages implement thread preemption with one of these signals (usually SIGVTALRM). The dynamic linker has never been reentrant, but it became less reentrant in revision 1.34 of "src/libexec/rtld-elf/rtld.c". Starting with that revision, multiple threads each doing lazy binding could interfere with each other. The usual symptom was that a symbol was falsely reported as undefined at start-up time. It was rare but not unseen. This commit fixes it.
123 lines
5.6 KiB
Makefile
123 lines
5.6 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: ${.CURDIR}/../libc/${MACHINE_ARCH}/gen ${.CURDIR}/../libc/gen
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SRCS+= _rand48.c _spinlock_stub.c alarm.c arc4random.c assert.c \
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clock.c closedir.c confstr.c \
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crypt.c ctermid.c daemon.c devname.c disklabel.c \
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dlfcn.c drand48.c erand48.c err.c errlst.c \
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exec.c fnmatch.c fstab.c ftok.c fts.c 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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getobjformat.c getosreldate.c getpagesize.c \
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getpass.c getpwent.c getttyent.c \
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getusershell.c getvfsbyname.c getvfsent.c glob.c \
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initgroups.c isatty.c jrand48.c lcong48.c \
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lockf.c lrand48.c mrand48.c msgctl.c \
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msgget.c msgrcv.c msgsnd.c nice.c \
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nlist.c nrand48.c ntp_gettime.c opendir.c \
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pause.c popen.c psignal.c pwcache.c raise.c readdir.c rewinddir.c \
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scandir.c seed48.c seekdir.c semconfig.c semctl.c semget.c semop.c \
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setdomainname.c sethostname.c setjmperr.c setmode.c shmat.c \
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shmctl.c shmdt.c shmget.c siginterrupt.c siglist.c signal.c \
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sigsetops.c sleep.c srand48.c stringlist.c \
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sysconf.c sysctl.c sysctlbyname.c \
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syslog.c telldir.c termios.c time.c times.c timezone.c ttyname.c \
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ttyslot.c ualarm.c uname.c unvis.c usleep.c utime.c valloc.c vis.c \
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wait.c wait3.c waitpid.c
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# machine-dependent gen sources
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.include "${.CURDIR}/../libc/${MACHINE_ARCH}/gen/Makefile.inc"
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.if ${LIB} == "c"
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MAN3+= alarm.3 arc4random.3 clock.3 \
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confstr.3 crypt.3 ctermid.3 daemon.3 \
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devname.3 directory.3 dladdr.3 dllockinit.3 dlopen.3 \
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err.3 exec.3 fnmatch.3 frexp.3 ftok.3 fts.3 \
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getbootfile.3 getbsize.3 getcap.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 getobjformat.3 \
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getpagesize.3 getpass.3 getpwent.3 \
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getttyent.3 getusershell.3 getvfsbyname.3 getvfsent.3 \
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glob.3 initgroups.3 isinf.3 \
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ldexp.3 lockf.3 modf.3 msgctl.3 msgget.3 msgrcv.3 msgsnd.3 \
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nice.3 nlist.3 pause.3 popen.3 psignal.3 pwcache.3 \
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raise.3 rand48.3 scandir.3 setjmp.3 setmode.3 siginterrupt.3 \
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signal.3 sigsetops.3 sleep.3 stringlist.3 \
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sysconf.3 sysctl.3 syslog.3 tcgetpgrp.3 \
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tcsendbreak.3 tcsetattr.3 tcsetpgrp.3 time.3 times.3 timezone.3 \
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ttyname.3 tzset.3 ualarm.3 uname.3 unvis.3 usleep.3 utime.3 \
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valloc.3 vis.3
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MLINKS+=arc4random.3 arc4random_addrandom.3 arc4random.3 arc4random_stir.3
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MLINKS+=crypt.3 des_cipher.3 crypt.3 des_setkey.3 crypt.3 encrypt.3 \
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crypt.3 setkey.3
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MLINKS+=ctermid.3 ctermid_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 readdir.3 directory.3 rewinddir.3 directory.3 seekdir.3 \
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directory.3 telldir.3
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MLINKS+=dlopen.3 dlclose.3 dlopen.3 dlerror.3 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
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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
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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+=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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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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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+=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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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+=getvfsent.3 endvfsent.3 getvfsent.3 getvfsbytype.3 \
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getvfsent.3 setvfsent.3 getvfsent.3 vfsisloadable.3 \
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getvfsent.3 vfsload.3
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MLINKS+=glob.3 globfree.3
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MLINKS+=isinf.3 isnan.3
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MLINKS+=popen.3 pclose.3
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MLINKS+=psignal.3 sys_siglist.3 psignal.3 sys_signame.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+=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+=sysctl.3 sysctlbyname.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 ttyslot.3
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MLINKS+=tzset.3 tzsetwall.3
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MLINKS+=unvis.3 strunvis.3
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MLINKS+=vis.3 strvis.3 vis.3 strvisx.3
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.endif
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