diff options
| -rw-r--r-- | apropos.c | 2 | ||||
| -rw-r--r-- | mansearch.c | 48 | ||||
| -rw-r--r-- | mansearch.h | 1 |
3 files changed, 51 insertions, 0 deletions
@@ -95,6 +95,7 @@ main(int argc, char *argv[]) search.flags = whatis ? MANSEARCH_WHATIS : 0; manpath_parse(&paths, conf_file, defpaths, auxpaths); + mansearch_setup(1); ch = mansearch(&search, &paths, argc, argv, outkey, &res, &sz); manpath_free(&paths); @@ -110,6 +111,7 @@ main(int argc, char *argv[]) } free(res); + mansearch_setup(0); return(sz ? EXIT_SUCCESS : EXIT_FAILURE); usage: fprintf(stderr, "usage: %s [-C file] [-M path] [-m path] " diff --git a/mansearch.c b/mansearch.c index a4348d64..b6c00a9a 100644 --- a/mansearch.c +++ b/mansearch.c @@ -19,6 +19,7 @@ #include "config.h" #endif +#include <sys/mman.h> #include <assert.h> #include <fcntl.h> #include <getopt.h> @@ -101,6 +102,53 @@ static void sql_regexp(sqlite3_context *context, static char *sql_statement(const struct expr *); int +mansearch_setup(int start) +{ + static void *pagecache; + int c; + +#define PC_PAGESIZE 1280 +#define PC_NUMPAGES 256 + + if (start) { + if (NULL != pagecache) { + fprintf(stderr, "pagecache already enabled\n"); + return((int)MANDOCLEVEL_BADARG); + } + + pagecache = mmap(NULL, PC_PAGESIZE * PC_NUMPAGES, + PROT_READ | PROT_WRITE, MAP_ANON, -1, 0); + + if (MAP_FAILED == pagecache) { + perror("mmap"); + pagecache = NULL; + return((int)MANDOCLEVEL_SYSERR); + } + + c = sqlite3_config(SQLITE_CONFIG_PAGECACHE, + pagecache, PC_PAGESIZE, PC_NUMPAGES); + + if (SQLITE_OK == c) + return((int)MANDOCLEVEL_OK); + + fprintf(stderr, "pagecache: %s\n", sqlite3_errstr(c)); + + } else if (NULL == pagecache) { + fprintf(stderr, "pagecache missing\n"); + return((int)MANDOCLEVEL_BADARG); + } + + if (-1 == munmap(pagecache, PC_PAGESIZE * PC_NUMPAGES)) { + perror("munmap"); + pagecache = NULL; + return((int)MANDOCLEVEL_SYSERR); + } + + pagecache = NULL; + return((int)MANDOCLEVEL_OK); +} + +int mansearch(const struct mansearch *search, const struct manpaths *paths, int argc, char *argv[], diff --git a/mansearch.h b/mansearch.h index d5a10ba3..894c8476 100644 --- a/mansearch.h +++ b/mansearch.h @@ -85,6 +85,7 @@ struct mansearch { #define MANSEARCH_WHATIS 0x01 /* whatis mode: equality, no key */ }; +int mansearch_setup(int); int mansearch(const struct mansearch *cfg, /* options */ const struct manpaths *paths, /* manpaths */ int argc, /* size of argv */ |