831d6fa520
* pinfo.h (SIGCOMMUNE): New signal type. (commune_result): New structure for commune functions. (picom): New enum for commune functions. (_pinfo::hello_pid): New. Pid who's communicating with me. (_pinfo::tothem): New. Handle of communicating pipe. (_pinfo::fromthem): Ditto. (_pinfo::commune_recv): Declare. (_pinfo::commune_send): Declare. (_pinfo::alive): Declare. (_pinfo::cmdline): Declare. (_pinfo::lock): Declare. * pinfo.cc (set_myself): Initialize new _pinfo lock. (_pinfo::alive): Define. Determines if process still exists. (_pinfo::commune_recv): Define. Receive info from another cooperating process. (_pinfo::commune_send): Define. Send info to another cooperating process. (_pinfo::cmdline): Define. Determine command line of a given process. * include/sys/cygwin.h (CW_CMDLINE): Define. *sigproc.cc (talktome): Communicate with any processes who want to talk to me. (wait_sig): Honor __SIGCOMMUNE. * fhandler.cc (fhandler_virtual::fixup_after_exec): Declare. * fhandler_proc.cc: Use malloc/free/realloc throughout rather than cmalloc since buffers don't need to be propagated to subprocesses. * fhandler_registry.cc: Ditto. * fhandler_virtual.cc: Ditto. (fhandler_virtual::fixup_after_exec): Define. * fhandler_process.cc: Ditto for malloc/free/realloc. (process_listin): Add "cmdline". (fhandler_process::fill_filebuf): Implement PROCESS_CMDLINE. * miscfuncs.cc (isalpha_array): New array populated with xor values for alpha characters to switch from one case to another. * string.h (cygwin_strcasematch): New asm implementation of case match. * string.h (cygwin_nstrcasematch): New asm implementation of counted case match.
109 lines
2.0 KiB
C
109 lines
2.0 KiB
C
/* string.h: Extra string defs
|
|
|
|
Copyright 2001 Red Hat, Inc.
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#ifndef _CYGWIN_STRING_H
|
|
#define _CYGWIN_STRING_H
|
|
|
|
#include_next <string.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#undef strchr
|
|
#define strchr cygwin_strchr
|
|
static inline __stdcall char *
|
|
strchr (const char *s, int c)
|
|
{
|
|
register char * res;
|
|
__asm__ __volatile__ ("\
|
|
movb %%al,%%ah\n\
|
|
1: movb (%1),%%al\n\
|
|
cmpb %%ah,%%al\n\
|
|
je 2f\n\
|
|
incl %1\n\
|
|
testb %%al,%%al\n\
|
|
jne 1b\n\
|
|
xorl %1,%1\n\
|
|
2: movl %1,%0\n\
|
|
":"=a" (res), "=r" (s)
|
|
:"0" (c), "1" (s));
|
|
return res;
|
|
}
|
|
|
|
extern const char isalpha_array[];
|
|
|
|
#undef strcasematch
|
|
#define strcasematch cygwin_strcasematch
|
|
|
|
static inline int
|
|
cygwin_strcasematch (const char *cs, const char *ct)
|
|
{
|
|
register int __res;
|
|
int d0, d1;
|
|
__asm__ ("\
|
|
.global _isalpha_array \n\
|
|
cld \n\
|
|
andl $0xff,%%eax \n\
|
|
1: lodsb \n\
|
|
scasb \n\
|
|
je 2f \n\
|
|
xorb _isalpha_array(%%eax),%%al \n\
|
|
cmpb -1(%%edi),%%al \n\
|
|
jne 3f \n\
|
|
2: testb %%al,%%al \n\
|
|
jnz 1b \n\
|
|
movl $1,%%eax \n\
|
|
jmp 4f \n\
|
|
3: xor %0,%0 \n\
|
|
4:"
|
|
:"=a" (__res), "=&S" (d0), "=&D" (d1)
|
|
: "1" (cs), "2" (ct));
|
|
|
|
return __res;
|
|
}
|
|
|
|
#undef strncasematch
|
|
#define strncasematch cygwin_strncasematch
|
|
|
|
static inline int
|
|
cygwin_strncasematch (const char *cs, const char *ct, size_t n)
|
|
{
|
|
register int __res;
|
|
int d0, d1, d2;
|
|
__asm__ ("\
|
|
.global _isalpha_array; \n\
|
|
cld \n\
|
|
andl $0xff,%%eax \n\
|
|
1: decl %3 \n\
|
|
js 3f \n\
|
|
lodsb \n\
|
|
scasb \n\
|
|
je 2f \n\
|
|
xorb _isalpha_array(%%eax),%%al \n\
|
|
cmpb -1(%%edi),%%al \n\
|
|
jne 4f \n\
|
|
2: testb %%al,%%al \n\
|
|
jnz 1b \n\
|
|
3: movl $1,%%eax \n\
|
|
jmp 5f \n\
|
|
4: xor %0,%0 \n\
|
|
5:"
|
|
:"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2)
|
|
:"1" (cs), "2" (ct), "3" (n));
|
|
|
|
return __res;
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* _CYGWIN_STRING_H */
|