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| author | Richard M. Stallman <rms@gnu.org> | 1993-05-31 01:27:19 +0000 |
|---|---|---|
| committer | Richard M. Stallman <rms@gnu.org> | 1993-05-31 01:27:19 +0000 |
| commit | d391fe0959a4ff60ffd4f5bf75c49491e6733633 (patch) | |
| tree | 4e532272931914b3d5ac8aa3efdd14d6cf84f415 | |
| parent | 056956218aa68cd46d99f2255038ad41e8d89d31 (diff) | |
| download | emacs-d391fe0959a4ff60ffd4f5bf75c49491e6733633.tar.gz | |
(HAVE_TCATTR): Deleted.
(BSD): Don't define.
(read, write, open, close): Defined.
(INTERRUPTIBLE_OPEN, INTERRUPTIBLE_CLOSE, INTERRUPTIBLE_IO): Defined.
(C_SWITCH_SYSTEM): Defined.
| -rw-r--r-- | src/s/gnu-linux.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h index dc1becd5e69..ddedcc3cb0b 100644 --- a/src/s/gnu-linux.h +++ b/src/s/gnu-linux.h @@ -28,7 +28,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* #define UNIPLUS */ /* #define USG5 */ #define USG -#define BSD +/* #define BSD */ #define LINUX /* SYSTEM_TYPE should indicate the kind of system you are using. @@ -131,6 +131,21 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ your system and must be used only through an encapsulation (Which you should place, by convention, in sysdep.c). */ +/* On POSIX systems the system calls are interruptible by signals + that the user program has elected to catch. Thus the system call + must be retried in these cases. To handle this without massive + changes in the source code, we remap the standard system call names + to names for our own functions in sysdep.c that do the system call + with retries. */ + +#define read sys_read +#define write sys_write +#define open sys_open +#define close sys_close + +#define INTERRUPTIBLE_OPEN +#define INTERRUPTIBLE_CLOSE +#define INTERRUPTIBLE_IO /* If you mount the proc file system somewhere other than /proc you will have to uncomment the following and make the proper @@ -152,6 +167,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifdef emacs #include <signal.h> #undef SIGIO +#undef signal +#define signal sys_signal +#include <values.h> #endif #define HAVE_SETSID @@ -167,7 +185,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define HAVE_VFORK #define HAVE_SYS_SIGLIST #define HAVE_GETWD /* cure conflict with getcwd? */ -#define HAVE_TCATTR /* faith@cs.unc.edu says this is needed. */ #define USE_UTIME /* don't have utimes */ #define SYSV_SYSTEM_DIR /* use dirent.h */ @@ -189,5 +206,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define LD_SWITCH_SYSTEM -L/usr/X386/lib #endif +/* Work around a bug in glibc with _longjmp. */ +#define C_SWITCH_SYSTEM -D_BSD_SOURCE + /* Let's try this out, just in case. */ #define SIGNALS_VIA_CHARACTERS |