...te a child process LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> pid_t fork(void); DESCRIPTION fork () creates a new process by duplicating the calling …...one(int (* fn )(void *_Nullable), void * stack , int flags , void *_Nullable arg , ... /* pid_t *_Nullable parent_tid , void *_Nullable tls , pid_t *_Nullable child_tid */ ); /*…...one(int (* fn )(void *_Nullable), void * stack , int flags , void *_Nullable arg , ... /* pid_t *_Nullable parent_tid , void *_Nullable tls , pid_t *_Nullable child_tid */ ); /*…...one(int (* fn )(void *_Nullable), void * stack , int flags , void *_Nullable arg , ... /* pid_t *_Nullable parent_tid , void *_Nullable tls , pid_t *_Nullable child_tid */ ); /*…...to change state LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/wait.h> pid_t wait(int *_Nullable wstatus ); pid_t waitpid(pid_t pid , int *_Nullable wstatus , …...to change state LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/wait.h> pid_t wait(int *_Nullable wstatus ); pid_t waitpid(pid_t pid , int *_Nullable wstatus , …...to change state LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/wait.h> pid_t wait(int *_Nullable wstatus ); pid_t waitpid(pid_t pid , int *_Nullable wstatus , …...l.h> #include <sys/syscall.h> #include <sys/types.h> #include <unistd.h> int main(void) { pid_t tid; tid = syscall(SYS_gettid); syscall(SYS_tgkill, getpid(), tid, SIGHUP); } SEE….../syscall.h> /* Definition of SYS_* constants */ #include <unistd.h> int syscall(SYS_kcmp, pid_t pid1 , pid_t pid2 , int type , unsigned long idx1 , unsigned long idx2 ); Note : …send a signal to a process specified by a file descriptor NAME pidfd_send_signal - send a signal to a process specified by a file descriptor LIBRARY Standard C library ( libc , -lc…...group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setpgid(pid_t pid , pid_t pgid ); pid_t getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 ver…...group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setpgid(pid_t pid , pid_t pgid ); pid_t getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 ver…...group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setpgid(pid_t pid , pid_t pgid ); pid_t getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 ver…...group LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setpgid(pid_t pid , pid_t pgid ); pid_t getpgid(pid_t pid ); pid_t getpgrp(void); /* POSIX.1 ver…...d - get session ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> pid_t getsid(pid_t pid ); Feature Test Macro Requirements for glibc (see feature_test_m…...s and block parent LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> pid_t vfork(void); Feature Test Macro Requirements for glibc (see feature_test_macros (…Seccomp user-space notification mechanism NAME seccomp_unotify - Seccomp user-space notification mechanism LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/seccom…...ll.h> /* Definition of SYS_* constants */ #include <unistd.h> int syscall(SYS_pidfd_open, pid_t pid , unsigned int flags ); Note : glibc provides no wrapper for pidfd_open (), n…...Standard C library ( libc , -lc ) SYNOPSIS #include <sys/uio.h> ssize_t process_vm_readv(pid_t pid , const struct iovec * local_iov , unsigned long liovcnt , const struct iovec …...Standard C library ( libc , -lc ) SYNOPSIS #include <sys/uio.h> ssize_t process_vm_readv(pid_t pid , const struct iovec * local_iov , unsigned long liovcnt , const struct iovec …