Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
996 bytes
|
Rev | Line | |
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[444] | 1 | #ifndef _NO_SIGSET |
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| 2 | |
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| 3 | #include <signal.h> |
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| 4 | #include <errno.h> |
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| 5 | |
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| 6 | #if defined(SIG_SETMASK) && NSIG <= 32 /* easier than trying to remove from Makefile */ |
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| 7 | |
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| 8 | #undef sigemptyset |
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| 9 | int |
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| 10 | sigemptyset (sigset_t * set) |
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| 11 | { |
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| 12 | *set = (sigset_t) 0; |
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| 13 | return 0; |
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| 14 | } |
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| 15 | |
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| 16 | #undef sigfillset |
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| 17 | int |
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| 18 | sigfillset (sigset_t * set) |
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| 19 | { |
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| 20 | *set = ~((sigset_t) 0); |
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| 21 | return 0; |
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| 22 | } |
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| 23 | |
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| 24 | #undef sigaddset |
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| 25 | int |
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| 26 | sigaddset (sigset_t * set, int signo) |
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| 27 | { |
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| 28 | if (signo >= NSIG || signo <= 0) |
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| 29 | { |
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| 30 | errno = EINVAL; |
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| 31 | return -1; |
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| 32 | } |
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| 33 | *set |= 1 << (signo - 1); |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |
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| 37 | #undef sigdelset |
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| 38 | int |
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| 39 | sigdelset (sigset_t * set, int signo) |
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| 40 | { |
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| 41 | if (signo >= NSIG || signo <= 0) |
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| 42 | { |
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| 43 | errno = EINVAL; |
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| 44 | return -1; |
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| 45 | } |
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| 46 | *set &= ~(1 << (signo - 1)); |
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| 47 | return 0; |
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| 48 | } |
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| 49 | |
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| 50 | #undef sigismember |
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| 51 | int |
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| 52 | sigismember (const sigset_t * set, int signo) |
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| 53 | { |
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| 54 | if (signo >= NSIG || signo <= 0) |
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| 55 | { |
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| 56 | errno = EINVAL; |
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| 57 | return -1; |
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| 58 | } |
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| 59 | |
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| 60 | if (*set & (1 << (signo - 1))) |
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| 61 | return 1; |
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| 62 | else |
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| 63 | return 0; |
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| 64 | } |
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| 65 | |
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| 66 | #endif /* SIG_SETMASK */ |
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| 67 | #endif /* _NO_SIGSET */ |
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