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author | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
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committer | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
commit | 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch) | |
tree | 68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/stdlib/abort.c | |
parent | 1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff) | |
download | cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.gz cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.bz2 cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.zip |
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/stdlib/abort.c')
-rw-r--r-- | newlib/libc/stdlib/abort.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/newlib/libc/stdlib/abort.c b/newlib/libc/stdlib/abort.c new file mode 100644 index 000000000..b3d671ed6 --- /dev/null +++ b/newlib/libc/stdlib/abort.c @@ -0,0 +1,66 @@ +/* NetWare can not use this implementation of abort. It provides its + own version of abort in clib.nlm. If we can not use clib.nlm, then + we must write abort in sys/netware. */ + +#ifdef ABORT_PROVIDED + +int _dummy_abort = 1; + +#else + +/* +FUNCTION +<<abort>>---abnormal termination of a program + +INDEX + abort + +ANSI_SYNOPSIS + #include <stdlib.h> + void abort(void); + +TRAD_SYNOPSIS + #include <stdlib.h> + void abort(); + +DESCRIPTION +Use <<abort>> to signal that your program has detected a condition it +cannot deal with. Normally, <<abort>> ends your program's execution. + +Before terminating your program, <<abort>> raises the exception <<SIGABRT>> +(using `<<raise(SIGABRT)>>'). If you have used <<signal>> to register +an exception handler for this condition, that handler has the +opportunity to retain control, thereby avoiding program termination. + +In this implementation, <<abort>> does not perform any stream- or +file-related cleanup (the host environment may do so; if not, you can +arrange for your program to do its own cleanup with a <<SIGABRT>> +exception handler). + +RETURNS +<<abort>> does not return to its caller. + +PORTABILITY +ANSI C requires <<abort>>. + +Supporting OS subroutines required: <<getpid>>, <<kill>>. +*/ + +#include <stdlib.h> +#include <signal.h> + +_VOID +_DEFUN_VOID (abort) +{ +#ifdef ABORT_MESSAGE + write (2, "Abort called\n", sizeof ("Abort called\n")-1); +#endif + + while (1) + { + raise (SIGABRT); + _exit (1); + } +} + +#endif |