enable epoll_wait functions on all linux targets

Author: michaelrj-google

libc/config/linux/aarch64/entrypoints.txt

@@ -172,6 +172,11 @@ set(TARGET_LIBC_ENTRYPOINTS
     # sys/auxv.h entrypoints
     libc.src.sys.auxv.getauxval
 
+    # sys/epoll.h entrypoints
+    libc.src.sys.epoll.epoll_wait
+    libc.src.sys.epoll.epoll_pwait
+    libc.src.sys.epoll.epoll_pwait2
+
     # termios.h entrypoints
     libc.src.termios.cfgetispeed
     libc.src.termios.cfgetospeed

libc/config/linux/arm/entrypoints.txt

@@ -95,6 +95,12 @@ set(TARGET_LIBC_ENTRYPOINTS
 
     # sys/prctl.h entrypoints
     libc.src.sys.prctl.prctl
+
+    # sys/epoll.h entrypoints
+    libc.src.sys.epoll.epoll_wait
+    libc.src.sys.epoll.epoll_pwait
+    libc.src.sys.epoll.epoll_pwait2
+
 )
 
 set(TARGET_LIBM_ENTRYPOINTS

libc/config/linux/riscv/entrypoints.txt

@@ -178,6 +178,11 @@ set(TARGET_LIBC_ENTRYPOINTS
     # sys/auxv.h entrypoints
     libc.src.sys.auxv.getauxval
 
+    # sys/epoll.h entrypoints
+    libc.src.sys.epoll.epoll_wait
+    libc.src.sys.epoll.epoll_pwait
+    libc.src.sys.epoll.epoll_pwait2
+
     # termios.h entrypoints
     libc.src.termios.cfgetispeed
     libc.src.termios.cfgetospeed