Viewing file:  pr104369-1.c (1.97 KB) -rw-r--r--
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/* { dg-additional-options "--param analyzer-max-enodes-per-program-point=10" } */
// TODO: remove need for this option
typedef __SIZE_TYPE__ size_t;
#define NULL ((void *)0)
#define POLLIN 0x001
typedef struct {
unsigned long int __val[(1024 / (8 * sizeof(unsigned long int)))];
} __sigset_t;
typedef unsigned int socklen_t;
struct timespec {
/* [...snip...] */
};
typedef unsigned long int nfds_t;
struct pollfd {
int fd;
short int events;
short int revents;
};
extern int ppoll(struct pollfd *__fds, nfds_t __nfds,
const struct timespec *__timeout, const __sigset_t *__ss);
struct sockaddr_un {
/* [...snip...] */
char sun_path[108];
};
typedef union {
/* [...snip...] */
struct sockaddr_un *__restrict __sockaddr_un__;
/* [...snip...] */
} __SOCKADDR_ARG __attribute__((transparent_union));
extern int accept(int __fd, __SOCKADDR_ARG __addr,
socklen_t *__restrict __addr_len);
extern void *calloc(size_t __nmemb, size_t __size)
__attribute__((__nothrow__, __leaf__))
__attribute__((__malloc__))
__attribute__((__alloc_size__(1, 2)));
extern void *realloc(void *__ptr, size_t __size)
__attribute__((__nothrow__, __leaf__))
__attribute__((__warn_unused_result__))
__attribute__((__alloc_size__(2)));
extern void exit(int __status)
__attribute__((__nothrow__, __leaf__))
__attribute__((__noreturn__));
int main() {
int rc;
int nsockets = 1;
struct pollfd *pollfds, *newpollfds;
struct sockaddr_un remote;
socklen_t len = sizeof(remote);
pollfds = calloc(1, sizeof(struct pollfd));
if (!pollfds) {
exit(1);
}
while (1) {
rc = ppoll(pollfds, nsockets, NULL, NULL);
if (rc < 0) {
continue;
}
if (pollfds[0].revents & POLLIN) {
nsockets++;
newpollfds = realloc(pollfds, nsockets * sizeof(*pollfds));
if (!newpollfds) {
exit(1);
}
pollfds = newpollfds;
pollfds[nsockets - 1].fd = accept(pollfds[0].fd, &remote, &len);
}
}
return 0;
}
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