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utils: add lxc_cloexec()

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
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Christian Brauner 2017-10-18 19:48:29 +02:00
parent f749d524f1
commit b499121f1f
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1 changed files with 5 additions and 0 deletions
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src/lxc/utils.h
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@ -241,6 +241,11 @@ static inline int memfd_create(const char *name, unsigned int flags) {
extern int memfd_create(const char *name, unsigned int flags); extern int memfd_create(const char *name, unsigned int flags);
#endif #endif
static inline int lxc_set_cloexec(int fd)
{
return fcntl(fd, F_SETFD, FD_CLOEXEC);
}
/* Struct to carry child pid from lxc_popen() to lxc_pclose(). /* Struct to carry child pid from lxc_popen() to lxc_pclose().
* Not an opaque struct to allow direct access to the underlying FILE * * Not an opaque struct to allow direct access to the underlying FILE *
* (i.e., struct lxc_popen_FILE *file; fgets(buf, sizeof(buf), file->f)) * (i.e., struct lxc_popen_FILE *file; fgets(buf, sizeof(buf), file->f))