diff options
Diffstat (limited to 'mbbsd/board.c')
| -rw-r--r-- | mbbsd/board.c | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/mbbsd/board.c b/mbbsd/board.c index 44241fcc..33ef661d 100644 --- a/mbbsd/board.c +++ b/mbbsd/board.c @@ -1,4 +1,4 @@ -/* $Id: board.c,v 1.78 2003/01/18 18:10:07 kcwu Exp $ */ +/* $Id: board.c,v 1.79 2003/01/19 01:29:40 in2 Exp $ */ #include "bbs.h" #define BRC_STRLEN 15 /* Length of board name */ #define BRC_MAXSIZE 24576 @@ -224,12 +224,45 @@ typedef struct { static int *zapbuf = NULL; static char *favbuf = NULL; static boardstat_t *nbrd = NULL; -char zapchange = 0, favchange = 0; +char zapchange = 0, favchange = 0, choose_board_depth = 0; #define STR_BBSRC ".bbsrc" #define STR_FAV ".fav" #define STR_FAV2 ".fav2" +#ifdef CRITICAL_MEMORY +void *MALLOC(int size) +{ + int *p; + p = (int *)mmap(NULL, (size + 4), PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); + p[0] = size; +#ifdef DEBUG + vmsg("critical malloc %d bytes", size); +#endif + return (void *)&p[1]; +} + +void FREE(void *ptr) +{ + int size = ((int *)ptr)[-1]; + munmap((void *)(&(((int *)ptr)[-1])), size); +#ifdef DEBUG + vmsg("critical free %d bytes", size); +#endif +} + +void sigfree(int sig) +{ + vmsg("SIG_FREE"); + if( !choose_board_depth ){ + vmsg("save"); + save_brdbuf(); + } + else + vmsg("nosave"); +} +#endif + void load_brdbuf(void) { static char firsttime = 1; @@ -242,8 +275,14 @@ void load_brdbuf(void) size += sizeof(int); favsize += sizeof(int); #endif + +#ifdef CRITICAL_MEMORY + zapbuf = (int *)MALLOC(size); +#else zapbuf = (int *)malloc(size); +#endif favbuf = (char *)malloc(favsize); + #ifdef MEM_CHECK zapbuf[0] = MEM_CHECK; zapbuf = &zapbuf[1]; @@ -311,7 +350,7 @@ init_brdbuf() } void -save_brdbuf() +save_brdbuf(void) { int fd, size; char fname[60]; @@ -334,9 +373,17 @@ save_brdbuf() close(fd); } #ifdef MEM_CHECK +# ifdef CRITICAL_MEMORY + FREE(&zapbuf[-1]); +# else free(&zapbuf[-1]); +# endif #else +# ifdef CRITICAL_MEMORY + FREE(zapbuf); +# else free(zapbuf); +# endif #endif zapbuf = NULL; } @@ -360,6 +407,7 @@ save_brdbuf() #endif favbuf = NULL; } + reentrant = 0; } int @@ -777,7 +825,6 @@ dozap(int num) zapbuf[ptr->bid - 1] = (ptr->myattr & BRD_ZAP ? 0 : login_start_time); } - static void choose_board(int newflag) { @@ -789,6 +836,7 @@ choose_board(int newflag) setutmpmode(newflag ? READNEW : READBRD); if( zapbuf == NULL || favbuf == NULL ) load_brdbuf(); + ++choose_board_depth; brdnum = 0; if (!cuser.userlevel) /* guest yank all boards */ yank_flag = 2; @@ -1156,6 +1204,7 @@ choose_board(int newflag) } while (ch != 'q'); free(nbrd); nbrd = NULL; + --choose_board_depth; } int |