in robert love's "linux kernel development" book (p. 31), i read:
"The fork(), vfork() and __clone() library calls all invoke the
clone() system call with the requisite flags." assuming that,
nowadays, it would be __clone2() and not __clone(), where in the
source for glibc-2.7 could i see the implementation of those calls?
if i just look in the glibc source tree for files with the name
fork*, i get:
./nptl/sysdeps/unix/sysv/linux/s390/fork.c
./nptl/sysdeps/unix/sysv/linux/fork.h
./nptl/sysdeps/unix/sysv/linux/ia64/fork.c
./nptl/sysdeps/unix/sysv/linux/i386/fork.c
./nptl/sysdeps/unix/sysv/linux/x86_64/fork.c
./nptl/sysdeps/unix/sysv/linux/alpha/fork.c
./nptl/sysdeps/unix/sysv/linux/sh/fork.c
./nptl/sysdeps/unix/sysv/linux/powerpc/fork.c
./nptl/sysdeps/unix/sysv/linux/sparc/fork.c
./nptl/sysdeps/unix/sysv/linux/fork.c
./sysdeps/mach/hurd/fork.c
./sysdeps/generic/fork.h
./sysdeps/unix/sysv/linux/ia64/fork.S
./sysdeps/unix/sysv/linux/sparc/fork.S
./sysdeps/unix/i386/fork.S
./sysdeps/unix/fork.S
./sysdeps/unix/sparc/fork.S
./posix/fork.c
./login/forkpty.c
so how would i follow the logic from the initial call to fork() to
the underlying sys_clone system call? or am i looking in the wrong
place?
rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
Have classroom, will lecture.
http://crashcourse.ca Waterloo, Ontario, CANADA
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