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Add dontthrow attribute to most libc functions

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This will help C++ code that uses exceptions to be tinier. For example,
this change shaves away 1000 lines of assembly code from LLVM's libcxx,
which is 0.7% of all assembly instructions in the entire library.
This commit is contained in:
Justine Tunney 2024-01-09 01:26:03 -08:00
parent cb19e172da
commit eeb20775d2
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GPG key ID: BE714B4575D6E328
103 changed files with 1455 additions and 1456 deletions
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36
libc/sock/sock.h
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@ -5,10 +5,10 @@ COSMOPOLITAN_C_START_
#define INET_ADDRSTRLEN 22
#define IFHWADDRLEN 6
uint16_t htons(uint16_t) pureconst;
uint16_t ntohs(uint16_t) pureconst;
uint32_t htonl(uint32_t) pureconst;
uint32_t ntohl(uint32_t) pureconst;
libcesque uint16_t htons(uint16_t) pureconst;
libcesque uint16_t ntohs(uint16_t) pureconst;
libcesque uint32_t htonl(uint32_t) pureconst;
libcesque uint32_t ntohl(uint32_t) pureconst;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define htons(x) __builtin_bswap16(x)
@ -17,21 +17,21 @@ uint32_t ntohl(uint32_t) pureconst;
#define ntohl(x) __builtin_bswap32(x)
#endif
const char *inet_ntop(int, const void *, char *, uint32_t);
int inet_pton(int, const char *, void *);
uint32_t inet_addr(const char *);
uint32_t *GetHostIps(void);
const char *inet_ntop(int, const void *, char *, uint32_t) libcesque;
int inet_pton(int, const char *, void *) libcesque;
uint32_t inet_addr(const char *) libcesque;
libcesque uint32_t *GetHostIps(void) __wur;
int socket(int, int, int);
int listen(int, int);
int shutdown(int, int);
ssize_t send(int, const void *, size_t, int);
ssize_t recv(int, void *, size_t, int);
ssize_t sendfile(int, int, int64_t *, size_t);
int getsockopt(int, int, int, void *, uint32_t *);
int setsockopt(int, int, int, const void *, uint32_t);
int socketpair(int, int, int, int[2]);
int sockatmark(int);
int socket(int, int, int) libcesque;
int listen(int, int) libcesque;
int shutdown(int, int) libcesque;
ssize_t send(int, const void *, size_t, int) libcesque;
ssize_t recv(int, void *, size_t, int) libcesque;
ssize_t sendfile(int, int, int64_t *, size_t) libcesque;
int getsockopt(int, int, int, void *, uint32_t *) libcesque;
int setsockopt(int, int, int, const void *, uint32_t) libcesque;
int socketpair(int, int, int, int[2]) libcesque;
int sockatmark(int) libcesque;
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_SOCK_SOCK_H_ */