diff options
Diffstat (limited to 'e_os.h')
| -rw-r--r-- | e_os.h | 13 |
1 files changed, 4 insertions, 9 deletions
@@ -376,24 +376,19 @@ extern FILE *_imp___iob; So, what we do here is to change 0 to 1 to get the default success status, and everything else is shifted up to fit into the status number field, and - the status is tagged as an error, which I believe is what is wanted here. + the status is tagged as an error, which is what is wanted here. Finally, we add the VMS C facility code 0x35a000, because there are some programs, such as Perl, that will reinterpret the code back to something POSIXly. 'man perlvms' explains it further. + NOTE: the perlvms manual wants to turn all codes 2 to 255 into success codes (status type = 1). I couldn't disagree more. Fortunately, the status type doesn't seem to bother Perl. -- Richard Levitte */ -# define EXIT(n) do { int __VMS_EXIT = n; \ - if (__VMS_EXIT == 0) \ - __VMS_EXIT = 1; \ - else \ - __VMS_EXIT = (n << 3) | 2; \ - __VMS_EXIT |= 0x10000000; \ - __VMS_EXIT |= 0x35a000; \ - exit(__VMS_EXIT); } while(0) +# define EXIT(n) exit((n) ? (((n) << 3) | 2 | 0x10000000 | 0x35a000) : 1) + # define NO_SYS_PARAM_H # define NO_SYS_UN_H |