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compilation.h
-
Per Hedbor authored
o type_stack_mark is no longer inline, saves ~10Kb code size o The type_stack and pike_type_mark_stack are now allocated on demand when possible (using mmap, the pages are allocated when accessed at least on macosx and linux) This saves about 1Mb of RSS in a freshly started pike.
Per Hedbor authoredo type_stack_mark is no longer inline, saves ~10Kb code size o The type_stack and pike_type_mark_stack are now allocated on demand when possible (using mmap, the pages are allocated when accessed at least on macosx and linux) This saves about 1Mb of RSS in a freshly started pike.
fd_control.c 2.19 KiB
/*\
||| This file a part of Pike, and is copyright by Fredrik Hubinette
||| Pike is distributed as GPL (General Public License)
||| See the files COPYING and DISCLAIMER for more information.
\*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include "fd_control.h"
#ifndef TESTING
#include "global.h"
#include "error.h"
#else
#undef DEBUG
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
void set_nonblocking(int fd,int which)
{
#ifdef DEBUG
if(fd<0 || fd >MAX_OPEN_FILEDESCRIPTORS)
fatal("Filedescriptor out of range.\n");
#endif
#ifdef USE_IOCTL_FIONBIO
ioctl(fd, FIONBIO, &which);
#else
#ifdef USE_FCNTL_O_NDELAY
fcntl(fd, F_SETFL, which?O_NDELAY:0);
#else
#ifdef USE_FCNTL_O_NONBLOCK
fcntl(fd, F_SETFL, which?O_NONBLOCK:0);
#else
#ifdef USE_FCNTL_FNDELAY
fcntl(fd, F_SETFL, which?FNDELAY:0);
#else
#error Do not know how to set your filedescriptors nonblocking.
#endif
#endif
#endif
#endif
}
int query_nonblocking(int fd)
{
#ifdef DEBUG
if(fd<0 || fd > MAX_OPEN_FILEDESCRIPTORS)
fatal("Filedescriptor out of range.\n");
#endif
#ifdef USE_IOCTL_FIONBIO
/* I don't know how to query this!!!! */
return 0;
#else
#ifdef USE_FCNTL_O_NDELAY
return fcntl(fd, F_GETFL, 0) & O_NDELAY;#else
#ifdef USE_FCNTL_O_NONBLOCK
return fcntl(fd, F_GETFL, 0) & O_NONBLOCK;
#else
#ifdef USE_FCNTL_FNDELAY
return fcntl(fd, F_GETFL, 0) & FNDELAY;
#else
#error Do not know how to set your filedescriptors nonblocking.
#endif
#endif
#endif
#endif
}
int set_close_on_exec(int fd, int which)
{
return fcntl(fd, F_SETFD, !!which);
}
#ifdef TESTING
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
/* a part of the autoconf thingy */
RETSIGTYPE sigalrm_handler0(int tmp) { exit(0); }
RETSIGTYPE sigalrm_handler1(int tmp) { exit(1); }
main()
{
int tmp[2];
char foo[1000];
tmp[0]=0;
tmp[1]=0;
#ifdef HAVE_PIPE
pipe(tmp);
#endif
set_nonblocking(tmp[0],1);
signal(SIGALRM, sigalrm_handler1);
alarm(1);
read(tmp[0],foo,999);
set_nonblocking(tmp[0],0);
signal(SIGALRM, sigalrm_handler0);
alarm(1);
read(tmp[0],foo,999);
exit(1);
}
#endif