diff options
Diffstat (limited to 'libc/Pre_main')
| -rw-r--r-- | libc/Pre_main | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/libc/Pre_main b/libc/Pre_main index e3793f1..0b3bec2 100644 --- a/libc/Pre_main +++ b/libc/Pre_main @@ -5,12 +5,13 @@ exit() function. The exit processing uses the standard 'atexit' and 'on_exit' functions see the normal man pages. -Execution of code before main is Linux-8086 specific; the method -is similar to this: +Execution of code before main is Linux-8086 (actually BCC) specific; the +method works like this: /**********************/ -int global_var_that_needs_init; +long global_var_that_needs_init; +#ifdef __AS386_16__ #asm loc 1 ! Make sure the pointer is in the correct segment auto_func: ! Label for bcc -M to work. @@ -18,10 +19,20 @@ auto_func: ! Label for bcc -M to work. .word no_op ! Space filler cause segs are padded to 4 bytes. .text ! So the function after is also in the correct seg. #endasm +#endif + +#ifdef __AS386_32__ +#asm + loc 1 ! Make sure the pointer is in the correct segment +auto_func: ! Label for bcc -M to work. + .long _init_vars ! Pointer to the autorun function + .text ! So the function after is also in the correct seg. +#endasm +#endif static void init_vars() { - global_var_that_needs_init = getuid(); + time(&global_var_that_needs_init); } /**********************/ @@ -33,7 +44,7 @@ not be executed. Also do note that the init functions are called in essentially random order (It's actually the order that they appear in the executable) so you must be -careful not to call any routines tht have their own autostart from inside +careful not to call any routines that have their own autostart from inside your autostart. Nevertheless you should try to ensure that your routines will fail gracefully if they are called before the initilisation routine. |