X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Ffb-mmap.c;h=67b7f910d94d4cc9284f37ef8a1ec7434b1dd0ba;hb=ba92e10cb8a623a5c59305b51f8ef364998cd871;hp=f4f901840ced7a5cf205518149c4c10797215eef;hpb=6a8ae5549f28ef50110e23ffd418105ef8f38d79;p=libucw.git diff --git a/lib/fb-mmap.c b/lib/fb-mmap.c index f4f90184..67b7f910 100644 --- a/lib/fb-mmap.c +++ b/lib/fb-mmap.c @@ -1,5 +1,5 @@ /* - * Sherlock Library -- Fast Buffered I/O on Memory-Mapped Files + * UCW Library -- Fast Buffered I/O on Memory-Mapped Files * * (c) 2002 Martin Mares * @@ -12,7 +12,6 @@ #include "lib/lfs.h" #include "lib/conf.h" -#include #include #include #include @@ -22,16 +21,17 @@ static uns mmap_window_size = 16*PAGE_SIZE; static uns mmap_extend_size = 4*PAGE_SIZE; -static struct cfitem fbmm_config[] = { - { "FBMMap", CT_SECTION, NULL }, - { "WindowSize", CT_INT, &mmap_window_size }, - { "ExtendSize", CT_INT, &mmap_extend_size }, - { NULL, CT_STOP, NULL } +static struct cf_section fbmm_config = { + CF_ITEMS { + CF_UNS("WindowSize", &mmap_window_size), + CF_UNS("ExtendSize", &mmap_extend_size), + CF_END + } }; static void CONSTRUCTOR fbmm_init_config(void) { - cf_register(fbmm_config); + cf_declare_section("FBMMap", &fbmm_config, 0); } struct fb_mmap { @@ -51,8 +51,8 @@ bfmm_map_window(struct fastbuf *f) struct fb_mmap *F = FB_MMAP(f); sh_off_t pos0 = f->pos & ~(sh_off_t)(PAGE_SIZE-1); int l = MIN((sh_off_t)mmap_window_size, F->file_extend - pos0); - uns ll = ALIGN(l, PAGE_SIZE); - uns oll = ALIGN(f->bufend - f->buffer, PAGE_SIZE); + uns ll = ALIGN_TO(l, PAGE_SIZE); + uns oll = ALIGN_TO(f->bufend - f->buffer, PAGE_SIZE); int prot = ((F->mode & O_ACCMODE) == O_RDONLY) ? PROT_READ : (PROT_READ | PROT_WRITE); DBG(" ... Mapping %x(%x)+%x(%x) len=%x extend=%x", (int)pos0, (int)f->pos, ll, l, (int)F->file_size, (int)F->file_extend); @@ -109,7 +109,7 @@ bfmm_spout(struct fastbuf *f) f->pos = end; if (f->pos >= F->file_extend) { - F->file_extend = ALIGN(F->file_extend + mmap_extend_size, (sh_off_t)PAGE_SIZE); + F->file_extend = ALIGN_TO(F->file_extend + mmap_extend_size, (sh_off_t)PAGE_SIZE); if (sh_ftruncate(F->fd, F->file_extend)) die("ftruncate(%s): %m", f->name); } @@ -137,7 +137,7 @@ bfmm_close(struct fastbuf *f) struct fb_mmap *F = FB_MMAP(f); if (f->buffer) - munmap(f->buffer, ALIGN(f->bufend-f->buffer, PAGE_SIZE)); + munmap(f->buffer, ALIGN_TO(f->bufend-f->buffer, PAGE_SIZE)); if (F->file_extend > F->file_size && sh_ftruncate(F->fd, F->file_size)) die("ftruncate(%s): %m", f->name); @@ -160,8 +160,6 @@ bfmm_config(struct fastbuf *f, uns item, int value) case BCONFIG_IS_TEMP_FILE: FB_MMAP(f)->is_temp_file = value; return 0; - case BCONFIG_CAN_OVERWRITE: - return 0; default: return -1; }