ec359e9eb
Eric Andersen
2004-02-13
Subject
Accomodate the fact that newer libc versions may in fact not contain query_module and friends and more
Binary
No binary (build failed)
Architecture & Compiler Flags
—
Build Log
(log yok)
Commit Diff GitHub →
libbb/module_syscalls.c+29 -6
| @@ -23,22 +23,33 @@ | |
| #include <stdio.h> | |
| #include <errno.h> | |
| #include <unistd.h> | |
| - | /* Kernel headers before 2.1.mumble need this on the Alpha to get |
| - | _syscall* defined. */ |
| - | #define __LIBRARY__ |
| #include <sys/syscall.h> | |
| #include "libbb.h" | |
| /* These syscalls are not included in very old glibc versions */ | |
| - | #if ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)) |
| int delete_module(const char *name) | |
| { | |
| + | #ifndef __NR_delete_module |
| + | #warning This kernel does not support the delete_module syscall |
| + | #warning -> The delete_module system call is being stubbed out... |
| + | errno=ENOSYS; |
| + | return -1; |
| + | #else |
| return(syscall(__NR_delete_module, name)); | |
| + | #endif |
| } | |
| + | |
| int get_kernel_syms(__ptr_t ks) | |
| { | |
| + | #ifndef __NR_get_kernel_syms |
| + | #warning This kernel does not support the get_kernel_syms syscall |
| + | #warning -> The get_kernel_syms system call is being stubbed out... |
| + | errno=ENOSYS; |
| + | return -1; |
| + | #else |
| return(syscall(__NR_get_kernel_syms, ks)); | |
| + | #endif |
| } | |
| /* This may have 5 arguments (for old 2.0 kernels) or 2 arguments | |
| @@ -46,7 +57,14 @@ int get_kernel_syms(__ptr_t ks) | |
| * and let the kernel cope with whatever it gets. Its good at that. */ | |
| int init_module(void *first, void *second, void *third, void *fourth, void *fifth) | |
| { | |
| + | #ifndef __NR_init_module |
| + | #warning This kernel does not support the init_module syscall |
| + | #warning -> The init_module system call is being stubbed out... |
| + | errno=ENOSYS; |
| + | return -1; |
| + | #else |
| return(syscall(__NR_init_module, first, second, third, fourth, fifth)); | |
| + | #endif |
| } | |
| int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret) | |
| @@ -66,6 +84,12 @@ int query_module(const char *name, int which, void *buf, size_t bufsize, size_t | |
| /* Jump through hoops to fixup error return codes */ | |
| unsigned long create_module(const char *name, size_t size) | |
| { | |
| + | #ifndef __NR_create_module |
| + | #warning This kernel does not support the create_module syscall |
| + | #warning -> The create_module system call is being stubbed out... |
| + | errno=ENOSYS; |
| + | return -1; |
| + | #else |
| long ret = syscall(__NR_create_module, name, size); | |
| if (ret == -1 && errno > 125) { | |
| @@ -73,9 +97,8 @@ unsigned long create_module(const char *name, size_t size) | |
| errno = 0; | |
| } | |
| return ret; | |
| - | } |
| - | |
| #endif | |
| + | } |
| /* END CODE */ | |