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authorRich Felker <dalias@aerifal.cx>2018-09-12 00:08:09 -0400
committerRich Felker <dalias@aerifal.cx>2018-09-12 14:34:37 -0400
commit5ce3737931bb411a8d167356d4d0287b53b0cbdc (patch)
tree726fc5dde9cc462316faa715158c38f0da72292d /src/process
parent0676c3a34c7bf12b33f8f5efb92476f4ffc7f20e (diff)
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reduce spurious inclusion of libc.h
libc.h was intended to be a header for access to global libc state and
related interfaces, but ended up included all over the place because
it was the way to get the weak_alias macro. most of the inclusions
removed here are places where weak_alias was needed. a few were
recently introduced for hidden. some go all the way back to when
libc.h defined CANCELPT_BEGIN and _END, and all (wrongly implemented)
cancellation points had to include it.

remaining spurious users are mostly callers of the LOCK/UNLOCK macros
and files that use the LFS64 macro to define the awful *64 aliases.

in a few places, new inclusion of libc.h is added because several
internal headers no longer implicitly include libc.h.

declarations for __lockfile and __unlockfile are moved from libc.h to
stdio_impl.h so that the latter does not need libc.h. putting them in
libc.h made no sense at all, since the macros in stdio_impl.h are
needed to use them correctly anyway.
Diffstat (limited to 'src/process')
-rw-r--r--src/process/execvp.c1
-rw-r--r--src/process/posix_spawn.c1
-rw-r--r--src/process/system.c1
-rw-r--r--src/process/waitid.c1
-rw-r--r--src/process/waitpid.c1
5 files changed, 0 insertions, 5 deletions
diff --git a/src/process/execvp.c b/src/process/execvp.c
index 2dddeddb..1fdf036f 100644
--- a/src/process/execvp.c
+++ b/src/process/execvp.c
@@ -3,7 +3,6 @@
 #include <unistd.h>
 #include <errno.h>
 #include <limits.h>
-#include "libc.h"
 
 extern char **__environ;
 
diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c
index 2f8ef935..5aaf829d 100644
--- a/src/process/posix_spawn.c
+++ b/src/process/posix_spawn.c
@@ -8,7 +8,6 @@
 #include "syscall.h"
 #include "pthread_impl.h"
 #include "fdop.h"
-#include "libc.h"
 
 struct args {
 	int p[2];
diff --git a/src/process/system.c b/src/process/system.c
index 9135b815..5af59b80 100644
--- a/src/process/system.c
+++ b/src/process/system.c
@@ -5,7 +5,6 @@
 #include <spawn.h>
 #include <errno.h>
 #include "pthread_impl.h"
-#include "libc.h"
 
 extern char **__environ;
 
diff --git a/src/process/waitid.c b/src/process/waitid.c
index c67feac3..d688650d 100644
--- a/src/process/waitid.c
+++ b/src/process/waitid.c
@@ -1,6 +1,5 @@
 #include <sys/wait.h>
 #include "syscall.h"
-#include "libc.h"
 
 int waitid(idtype_t type, id_t id, siginfo_t *info, int options)
 {
diff --git a/src/process/waitpid.c b/src/process/waitpid.c
index f75e31ef..1b65bf05 100644
--- a/src/process/waitpid.c
+++ b/src/process/waitpid.c
@@ -1,6 +1,5 @@
 #include <sys/wait.h>
 #include "syscall.h"
-#include "libc.h"
 
 pid_t waitpid(pid_t pid, int *status, int options)
 {