Diffusion FreeBSD src repository d7847a8d3514

lib{c,sys}: return wrapped syscall APIs to libc
d7847a8d3514
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Description

lib{c,sys}: return wrapped syscall APIs to libc

These provide standard APIs, but are implemented using another system
call (e.g., pipe implemented in terms of pipe2) or are interposed by the
threading library to support cancelation.

After discussion with kib (see D44111), I've concluded that it is
better to keep most public interfaces in libc with as little
as possible in libsys.

Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D44241

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Provenance

Authored on Mar 13 2024, 5:42 PM

Reviewer

Differential Revision

D44241: lib{c,sys}: return wrapped syscall APIs to libc

Parents

rGef5fddd3440c: libsys: make __libsys_interposing static

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Event Timeline

brooks committed rGd7847a8d3514: lib{c,sys}: return wrapped syscall APIs to libc (authored by brooks).Mar 13 2024, 6:36 PM

brooks added an edge: D44241: lib{c,sys}: return wrapped syscall APIs to libc.

brooks mentioned this in rGccf4d5eed25b: lib{c,sys}: fix powerpcspe build.Mar 13 2024, 8:10 PM

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lib/

libc/

amd64/

arm/

i386/

powerpc/

powerpc64/

	libc/	sys/
		libsys/

clock_nanosleep.c

libsys/

amd64/

arm/

clock_nanosleep.c

i386/

powerpc/

powerpc64/

rGd7847a8d3514

lib/libc/Makefile

lib/libc/amd64/Symbol.map

lib/libc/arm/Symbol.map

lib/libc/i386/Symbol.map

lib/libc/powerpc/Symbol.map

lib/libc/powerpc64/Symbol.map

lib/libc/sys/Makefile.inc

lib/libc/sys/POSIX2x_Fork.c

lib/libc/sys/Symbol.map

lib/libc/sys/accept.c

lib/libc/sys/accept4.c

lib/libc/sys/aio_suspend.c

lib/libc/sys/brk.c

lib/libc/sys/clock_nanosleep.c

lib/libc/sys/close.c

lib/libc/sys/closefrom.c

lib/libc/sys/compat-stub.c

lib/libc/sys/connect.c

lib/libc/sys/creat.c

lib/libc/sys/fcntl.c

lib/libc/sys/fdatasync.c

lib/libc/sys/fork.c

lib/libc/sys/fsync.c

lib/libc/sys/getdents.c

lib/libc/sys/kevent.c

lib/libc/sys/lockf.c

lib/libc/sys/lstat.c

lib/libc/sys/mknod.c

lib/libc/sys/msync.c

lib/libc/sys/nanosleep.c

lib/libc/sys/open.c

lib/libc/sys/openat.c

lib/libc/sys/pdfork.c

lib/libc/sys/pipe.c

lib/libc/sys/poll.c

lib/libc/sys/ppoll.c

lib/libc/sys/pselect.c

lib/libc/sys/read.c

lib/libc/sys/readv.c

lib/libc/sys/recv.c

lib/libc/sys/recvfrom.c

lib/libc/sys/recvmsg.c

lib/libc/sys/select.c

lib/libc/sys/send.c

lib/libc/sys/sendmsg.c

lib/libc/sys/sendto.c

lib/libc/sys/setcontext.c

lib/libc/sys/shm_open.c

lib/libc/sys/sigaction.c

lib/libc/sys/sigprocmask.c

lib/libc/sys/sigsuspend.c

lib/libc/sys/sigtimedwait.c

lib/libc/sys/sigwait.c

lib/libc/sys/sigwaitinfo.c

lib/libc/sys/stat.c

lib/libc/sys/swapcontext.c

lib/libc/sys/vadvise.c

lib/libc/sys/wait.c

lib/libc/sys/wait3.c

lib/libc/sys/wait4.c

lib/libc/sys/wait6.c

lib/libc/sys/waitid.c

lib/libc/sys/waitpid.c

lib/libc/sys/write.c

lib/libc/sys/writev.c

lib/libsys/Makefile.sys

lib/libsys/POSIX2x_Fork.c

lib/libsys/Symbol.sys.map

lib/libsys/accept.c

lib/libsys/accept4.c

lib/libsys/aio_suspend.c

lib/libsys/amd64/Symbol.sys.map

lib/libsys/arm/Symbol.sys.map

lib/libsys/brk.c

lib/libsys/clock_nanosleep.c

lib/libsys/close.c

lib/libsys/closefrom.c

lib/libsys/compat-stub.c

lib/libsys/connect.c

lib/libsys/creat.c

lib/libsys/fcntl.c

lib/libsys/fdatasync.c

lib/libsys/fork.c

lib/libsys/fsync.c

lib/libsys/getdents.c

lib/libsys/i386/Symbol.sys.map

lib/libsys/kevent.c

lib/libsys/lockf.c

lib/libsys/lstat.c

lib/libsys/mknod.c

lib/libsys/msync.c

lib/libsys/nanosleep.c

lib/libsys/open.c

lib/libsys/openat.c

lib/libsys/pdfork.c

lib/libsys/pipe.c

lib/libsys/poll.c

lib/libsys/powerpc/Symbol.sys.map

lib/libsys/powerpc64/Symbol.sys.map

lib/libsys/ppoll.c

lib/libsys/pselect.c

lib/libsys/read.c

lib/libsys/readv.c

lib/libsys/recv.c

lib/libsys/recvfrom.c

lib/libsys/recvmsg.c

lib/libsys/select.c

lib/libsys/send.c

lib/libsys/sendmsg.c

lib/libsys/sendto.c

lib/libsys/setcontext.c

lib/libsys/shm_open.c

lib/libsys/sigaction.c

lib/libsys/sigprocmask.c

lib/libsys/sigsuspend.c

lib/libsys/sigtimedwait.c

lib/libsys/sigwait.c

lib/libsys/sigwaitinfo.c

lib/libsys/stat.c

lib/libsys/swapcontext.c

lib/libsys/vadvise.c

lib/libsys/wait.c

lib/libsys/wait3.c

lib/libsys/wait4.c

lib/libsys/wait6.c

lib/libsys/waitid.c

lib/libsys/waitpid.c

lib/libsys/write.c

lib/libsys/writev.c