mirror of https://github.com/postgres/postgres
Postgres 9.2, and perhaps no existing users either.pull/3/head
Bruce Momjian
13 years ago
parent
7490c48f1e
commit
ebcaa5fcde
@ -1,96 +0,0 @@ |
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/*-------------------------------------------------------------------------
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* |
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* dynloader.c |
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* Dynamic Loader for Postgres for Linux, generated from those for |
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* Ultrix. |
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* |
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* You need to install the dld library on your Linux system! |
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* |
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* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group |
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* Portions Copyright (c) 1994, Regents of the University of California |
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* |
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* |
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* IDENTIFICATION |
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* src/backend/port/dynloader/bsdi.c |
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* |
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*------------------------------------------------------------------------- |
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*/ |
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#include "postgres.h" |
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#ifndef HAVE_DLOPEN |
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extern char my_exec_path[]; |
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void * |
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pg_dlopen(char *filename) |
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{ |
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static int dl_initialized = 0; |
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/*
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* initializes the dynamic loader with the executable's pathname. (only |
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* needs to do this the first time pg_dlopen is called.) |
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*/ |
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if (!dl_initialized) |
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{ |
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if (dld_init(dld_find_executable(my_exec_path))) |
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return NULL; |
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/*
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* if there are undefined symbols, we want dl to search from the |
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* following libraries also. |
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*/ |
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dl_initialized = 1; |
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} |
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/*
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* link the file, then check for undefined symbols! |
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*/ |
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if (dld_link(filename)) |
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return NULL; |
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/*
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* If undefined symbols: try to link with the C and math libraries! This |
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* could be smarter, if the dynamic linker was able to handle shared libs! |
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*/ |
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if (dld_undefined_sym_count > 0) |
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{ |
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if (dld_link("/usr/lib/libc.a")) |
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{ |
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elog(WARNING, "could not link C library"); |
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return NULL; |
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} |
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if (dld_undefined_sym_count > 0) |
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{ |
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if (dld_link("/usr/lib/libm.a")) |
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{ |
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elog(WARNING, "could not link math library"); |
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return NULL; |
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} |
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if (dld_undefined_sym_count > 0) |
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{ |
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int count = dld_undefined_sym_count; |
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char **list = dld_list_undefined_sym(); |
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/* list the undefined symbols, if any */ |
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do |
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{ |
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elog(WARNING, "\"%s\" is undefined", *list); |
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list++; |
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count--; |
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} while (count > 0); |
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dld_unlink_by_file(filename, 1); |
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return NULL; |
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} |
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} |
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} |
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return (void *) strdup(filename); |
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} |
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char * |
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pg_dlerror() |
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{ |
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return dld_strerror(dld_errno); |
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} |
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#endif /* not HAVE_DLOPEN */ |
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@ -1,50 +0,0 @@ |
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/*-------------------------------------------------------------------------
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* |
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* bsdi.h |
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* Dynamic loader interface for BSD/OS |
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* |
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* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group |
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* Portions Copyright (c) 1994, Regents of the University of California |
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* |
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* src/backend/port/dynloader/bsdi.h |
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* |
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*------------------------------------------------------------------------- |
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*/ |
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#ifndef PORT_PROTOS_H |
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#define PORT_PROTOS_H |
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#include "utils/dynamic_loader.h" /* pgrminclude ignore */ |
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#ifdef HAVE_DLOPEN |
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#include <dlfcn.h> |
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/*
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* In some older systems, the RTLD_NOW flag isn't defined and the mode |
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* argument to dlopen must always be 1. The RTLD_GLOBAL flag is wanted |
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* if available, but it doesn't exist everywhere. |
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* If it doesn't exist, set it to 0 so it has no effect. |
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*/ |
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#ifndef RTLD_NOW |
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#define RTLD_NOW 1 |
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#endif |
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#ifndef RTLD_GLOBAL |
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#define RTLD_GLOBAL 0 |
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#endif |
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#define pg_dlopen(f) dlopen((f), RTLD_NOW | RTLD_GLOBAL) |
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#define pg_dlsym dlsym |
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#define pg_dlclose dlclose |
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#define pg_dlerror dlerror |
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#else /* not HAVE_DLOPEN */ |
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#define pg_dlsym(handle, funcname) ((PGFunction) dld_get_func((funcname))) |
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#define pg_dlclose(handle) \ |
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do { \
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dld_unlink_by_file(handle, 1); \
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free(handle); \
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} while (0) |
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#endif /* not HAVE_DLOPEN */ |
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#endif /* PORT_PROTOS_H */ |
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@ -1,3 +0,0 @@ |
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/*
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* src/include/port/bsdi.h |
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*/ |
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@ -1,25 +0,0 @@ |
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AROPT = cr
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# bsdi 4.0 and later is ELF
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DLSUFFIX = .so
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ifeq ($(host_os), bsdi2.0) |
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DLSUFFIX = .o
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endif |
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ifeq ($(host_os), bsdi2.1) |
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DLSUFFIX = .o
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endif |
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ifeq ($(findstring bsdi3, $(host_os)), bsdi3) |
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DLSUFFIX = .o
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endif |
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ifeq ($(DLSUFFIX), .so) |
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CFLAGS_SL = -fpic
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rpath = -Wl,-rpath,'$(rpathdir)'
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export_dynamic = -Wl,-export-dynamic
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else |
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CFLAGS_SL =
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endif |
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# Rule for building a shared library from a single .o file
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%.so: %.o |
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$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_SL) -shared -o $@ $<
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@ -1,3 +0,0 @@ |
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case $host_os in |
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bsdi2.0 | bsdi2.1 | bsdi3*) CC=gcc2;; |
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esac |
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