warning SYS_pidfd_open is not defined. Assuming 434 #360
Description
warning SYS_pidfd_open is not defined. Assuming 434
I got these warnings during compilation:
$ make
fatal: Not a git repository: '/tmp/src/earlyoom-1.9.0-1/.git'
Makefile:6: Could not get version from git, setting to "(unknown version)"
cc -Wall -Wextra -Wformat-security -Wconversion -DVERSION=\""(unknown version)"\" -g -fstack-protector-all -std=gnu99 -o earlyoom proc_pid.c meminfo.c kill.c msg.c globals.c main.c
kill.c:64:2: warning: #warning SYS_pidfd_open is not defined. Assuming 434. [-Wcpp]
#warning SYS_pidfd_open is not defined. Assuming 434.
^~~~~~~
kill.c:75:2: warning: #warning SYS_process_mrelease is not defined. Assuming 448. [-Wcpp]
#warning SYS_process_mrelease is not defined. Assuming 448.
^~~~~~~
kill.c: In function ‘kill_wait’:
kill.c:332:80: warning: conversion to ‘long int’ from ‘unsigned int’ may change the sign of the result [-Wsign-conversion]
struct timespec req = { .tv_sec = (time_t)(poll_ms / 1000), .tv_nsec = (poll_ms % 1000) * 1000000 };
^
main.c: In function ‘poll_loop’:
main.c:547:81: warning: conversion to ‘long int’ from ‘unsigned int’ may change the sign of the result [-Wsign-conversion]
struct timespec req = { .tv_sec = (time_t)(sleep_ms / 1000), .tv_nsec = (sleep_ms % 1000) * 1000000 };
^
Don't know how important they are, but last two should be simple to eliminate by explicit conversion.