we need getcallerpc crap to prevent several coredumps, though rc is not threaded, oh dear! - 9base - revived minimalist port of Plan 9 userland to Unix
(HTM) git clone git://git.suckless.org/9base
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---
(DIR) commit cf77a035ab614eec460ac6ba1c92412bd549569d
(DIR) parent 6ccdc8cffd953f6dae2692e687d19ac6e58a7e2b
(HTM) Author: Anselm R. Garbe <garbeam@wmii.de>
Date: Thu, 9 Feb 2006 13:15:45 +0100
we need getcallerpc crap to prevent several coredumps, though rc is not threaded, oh dear!
Diffstat:
M lib9/Makefile | 2 +-
M lib9/libc.h | 98 +++++++++++++++++++++++++------
M lib9/qlock.c | 34 -------------------------------
3 files changed, 81 insertions(+), 53 deletions(-)
---
(DIR) diff --git a/lib9/Makefile b/lib9/Makefile
@@ -19,7 +19,6 @@ TARG=lib9
# following objects are not compiled for several reasons
# crypt.o
# netcrypt.o
-# getcallerpc-$(OBJTYPE).o
# convD2M.o
# convM2D.o
# convM2S.o
@@ -134,6 +133,7 @@ OFILES=\
exec.o\
execl.o\
fcallfmt.o\
+ getcallerpc-$(OBJTYPE).o\
get9root.o\
getenv.o\
getfields.o\
(DIR) diff --git a/lib9/libc.h b/lib9/libc.h
@@ -9,6 +9,9 @@
extern "C" {
#endif
+#include <utf.h>
+#include <fmt.h>
+
/*
* Begin usual libc.h
*/
@@ -375,7 +378,7 @@ extern int encodefmt(Fmt*);
extern int dirmodefmt(Fmt*);
extern void exits(char*);
extern double frexp(double, int*);
-/*extern ulong getcallerpc(void*);*/
+extern ulong getcallerpc(void*);
extern char* p9getenv(char*);
extern int p9putenv(char*, char*);
extern int getfields(char*, char**, int, int, char*);
@@ -595,7 +598,7 @@ extern void freenetconninfo(NetConnInfo*);
#define OCEXEC 32 /* or'ed in, close on exec */
#define ORCLOSE 64 /* or'ed in, remove on close */
#define ODIRECT 128 /* or'ed in, direct access */
-#define ONONBLOCK 256 /* or'ed in, non-blocking call */
+#define ONONBLOCK 256 /* or'ed in, non-blocking call */
#define OEXCL 0x1000 /* or'ed in, exclusive use (create only) */
#define OLOCK 0x2000 /* or'ed in, lock after opening */
#define OAPPEND 0x4000 /* or'ed in, append only */
@@ -620,8 +623,9 @@ extern void freenetconninfo(NetConnInfo*);
#define QTEXCL 0x20 /* type bit for exclusive use files */
#define QTMOUNT 0x10 /* type bit for mounted channel */
#define QTAUTH 0x08 /* type bit for authentication file */
-#define QTLINK 0x04 /* symbolic link */
-#define QTFILE 0x00 /* plain file */
+#define QTTMP 0x04 /* type bit for non-backed-up file */
+#define QTSYMLINK 0x02 /* type bit for symbolic link */
+#define QTFILE 0x00 /* type bits for plain file */
/* bits in Dir.mode */
#define DMDIR 0x80000000 /* mode bit for directories */
@@ -629,10 +633,13 @@ extern void freenetconninfo(NetConnInfo*);
#define DMEXCL 0x20000000 /* mode bit for exclusive use files */
#define DMMOUNT 0x10000000 /* mode bit for mounted channel */
#define DMAUTH 0x08000000 /* mode bit for authentication file */
-#define DMDEVICE 0x00800000 /* mode bit for device files (Unix) */
-#define DMSYMLINK 0x00400000 /* mode bit for symbolic links (Unix) */
-#define DMNAMEDPIPE 0x00200000 /* mode bit for named pipes (Unix) */
-#define DMSOCKET 0x00100000 /* mode bit for sockets (Unix) */
+#define DMTMP 0x04000000 /* mode bit for non-backed-up file */
+#define DMSYMLINK 0x02000000 /* mode bit for symbolic link (Unix, 9P2000.u) */
+#define DMDEVICE 0x00800000 /* mode bit for device file (Unix, 9P2000.u) */
+#define DMNAMEDPIPE 0x00200000 /* mode bit for named pipe (Unix, 9P2000.u) */
+#define DMSOCKET 0x00100000 /* mode bit for socket (Unix, 9P2000.u) */
+#define DMSETUID 0x00080000 /* mode bit for setuid (Unix, 9P2000.u) */
+#define DMSETGID 0x00040000 /* mode bit for setgid (Unix, 9P2000.u) */
#define DMREAD 0x4 /* mode bit for read permission */
#define DMWRITE 0x2 /* mode bit for write permission */
@@ -691,6 +698,12 @@ struct Dir {
char *uid; /* owner name */
char *gid; /* group name */
char *muid; /* last modifier name */
+
+ /* 9P2000.u extensions */
+ uint uidnum; /* numeric uid */
+ uint gidnum; /* numeric gid */
+ uint muidnum; /* numeric muid */
+ char *ext; /* extended info */
} Dir;
/* keep /sys/src/ape/lib/ap/plan9/sys9.h in sync with this -rsc */
@@ -822,6 +835,65 @@ extern int post9pservice(int, char*);
#define main p9main
#endif
+#ifdef VARARGCK
+#pragma varargck type "lld" vlong
+#pragma varargck type "llx" vlong
+#pragma varargck type "lld" uvlong
+#pragma varargck type "llx" uvlong
+#pragma varargck type "ld" long
+#pragma varargck type "lx" long
+#pragma varargck type "ld" ulong
+#pragma varargck type "lx" ulong
+#pragma varargck type "d" int
+#pragma varargck type "x" int
+#pragma varargck type "c" int
+#pragma varargck type "C" int
+#pragma varargck type "d" uint
+#pragma varargck type "x" uint
+#pragma varargck type "c" uint
+#pragma varargck type "C" uint
+#pragma varargck type "f" double
+#pragma varargck type "e" double
+#pragma varargck type "g" double
+#pragma varargck type "lf" long double
+#pragma varargck type "le" long double
+#pragma varargck type "lg" long double
+#pragma varargck type "s" char*
+#pragma varargck type "q" char*
+#pragma varargck type "S" Rune*
+#pragma varargck type "Q" Rune*
+#pragma varargck type "r" void
+#pragma varargck type "%" void
+#pragma varargck type "n" int*
+#pragma varargck type "p" void*
+#pragma varargck type "<" void*
+#pragma varargck type "[" void*
+#pragma varargck type "H" void*
+#pragma varargck type "lH" void*
+
+#pragma varargck flag ' '
+#pragma varargck flag '#'
+#pragma varargck flag '+'
+#pragma varargck flag ','
+#pragma varargck flag '-'
+#pragma varargck flag 'u'
+
+#pragma varargck argpos fmtprint 2
+#pragma varargck argpos fprint 2
+#pragma varargck argpos print 1
+#pragma varargck argpos runeseprint 3
+#pragma varargck argpos runesmprint 1
+#pragma varargck argpos runesnprint 3
+#pragma varargck argpos runesprint 2
+#pragma varargck argpos seprint 3
+#pragma varargck argpos smprint 1
+#pragma varargck argpos snprint 3
+#pragma varargck argpos sprint 2
+#pragma varargck argpos sysfatal 1
+#pragma varargck argpos p9syslog 3
+#pragma varargck argpos werrstr 1
+#endif
+
/* compiler directives on plan 9 */
#define SET(x) ((x)=0)
#define USED(x) if(x){}else{}
@@ -832,16 +904,6 @@ extern int post9pservice(int, char*);
# endif
#endif
-#if defined(__OpenBSD__) || (defined(__NetBSD__) && !defined(sched_yield))
-#define sched_yield() \
- do { \
- struct timespec ts; \
- ts.tv_sec = 0; \
- ts.tv_nsec = 10; \
- nanosleep(&ts, NULL); \
- } while(0)
-#endif
-
/* command line */
extern char *argv0;
extern void __fixargv0(void);
(DIR) diff --git a/lib9/qlock.c b/lib9/qlock.c
@@ -21,18 +21,15 @@ void (*_wunlock)(RWLock*, ulong);
void
lock(Lock *l)
{
- /*
if(_lock)
(*_lock)(l, 1, getcallerpc(&l));
else
l->held = 1;
- */
}
int
canlock(Lock *l)
{
- /*
if(_lock)
return (*_lock)(l, 0, getcallerpc(&l));
else{
@@ -41,36 +38,29 @@ canlock(Lock *l)
l->held = 1;
return 1;
}
- */
- return 1;
}
void
unlock(Lock *l)
{
- /*
if(_unlock)
(*_unlock)(l, getcallerpc(&l));
else
l->held = 0;
- */
}
void
qlock(QLock *l)
{
- /*
if(_qlock)
(*_qlock)(l, 1, getcallerpc(&l));
else
l->l.held = 1;
- */
}
int
canqlock(QLock *l)
{
- /*
if(_qlock)
return (*_qlock)(l, 0, getcallerpc(&l));
else{
@@ -79,36 +69,29 @@ canqlock(QLock *l)
l->l.held = 1;
return 1;
}
- */
- return 1;
}
void
qunlock(QLock *l)
{
- /*
if(_qunlock)
(*_qunlock)(l, getcallerpc(&l));
else
l->l.held = 0;
- */
}
void
rlock(RWLock *l)
{
- /*
if(_rlock)
(*_rlock)(l, 1, getcallerpc(&l));
else
l->readers++;
- */
}
int
canrlock(RWLock *l)
{
- /*
if(_rlock)
return (*_rlock)(l, 0, getcallerpc(&l));
else{
@@ -117,36 +100,29 @@ canrlock(RWLock *l)
l->readers++;
return 1;
}
- */
- return 1;
}
void
runlock(RWLock *l)
{
- /*
if(_runlock)
(*_runlock)(l, getcallerpc(&l));
else
l->readers--;
- */
}
void
wlock(RWLock *l)
{
- /*
if(_wlock)
(*_wlock)(l, 1, getcallerpc(&l));
else
l->writer = (void*)1;
- */
}
int
canwlock(RWLock *l)
{
- /*
if(_wlock)
return (*_wlock)(l, 0, getcallerpc(&l));
else{
@@ -155,46 +131,36 @@ canwlock(RWLock *l)
l->writer = (void*)1;
return 1;
}
- */
- return 1;
}
void
wunlock(RWLock *l)
{
- /*
if(_wunlock)
(*_wunlock)(l, getcallerpc(&l));
else
l->writer = nil;
- */
}
void
rsleep(Rendez *r)
{
- /*
if(_rsleep)
(*_rsleep)(r, getcallerpc(&r));
- */
}
int
rwakeup(Rendez *r)
{
- /*
if(_rwakeup)
return (*_rwakeup)(r, 0, getcallerpc(&r));
- */
return 0;
}
int
rwakeupall(Rendez *r)
{
- /*
if(_rwakeup)
return (*_rwakeup)(r, 1, getcallerpc(&r));
- */
return 0;
}