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Add #error if __NR_vfork required but not defined.

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Improve test of error code.
This commit is contained in:
Ulrich Drepper 2003-09-17 18:09:53 +00:00
parent 644d82249f
commit 011f9a85d2
1 changed files with 3 additions and 2 deletions
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5
sysdeps/unix/sysv/linux/arm/vfork.S
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@ -38,8 +38,7 @@ ENTRY (__vfork)
b PLTJMP(C_SYMBOL_NAME(__syscall_error)) b PLTJMP(C_SYMBOL_NAME(__syscall_error))
# else # else
/* Check if vfork syscall is known at all. */ /* Check if vfork syscall is known at all. */
ldr a2, =-ENOSYS cmn a2, #ENOSYS
teq a1, a2
bne PLTJMP(C_SYMBOL_NAME(__syscall_error)) bne PLTJMP(C_SYMBOL_NAME(__syscall_error))
# endif # endif
#endif #endif
@ -50,6 +49,8 @@ ENTRY (__vfork)
cmn a1, #4096 cmn a1, #4096
RETINSTR(movcc, pc, lr) RETINSTR(movcc, pc, lr)
b PLTJMP(C_SYMBOL_NAME(__syscall_error)) b PLTJMP(C_SYMBOL_NAME(__syscall_error))
#elif !defined __NR_vfork
# error "__NR_vfork not available and __ASSUME_VFORK_SYSCALL defined"
#endif #endif
PSEUDO_END (__vfork) PSEUDO_END (__vfork)